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136255460 = 225111937881
BaseRepresentation
bin10000001111100…
…01011111100100
3100111101111100112
420013301133210
5234340133320
621304232152
73243103145
oct1007613744
9314344315
10136255460
116aa04820
123976b658
13222c8b43
141414bacc
15be66ec5
hex81f17e4

136255460 has 96 divisors (see below), whose sum is σ = 337841280. Its totient is φ = 45619200.

The previous prime is 136255451. The next prime is 136255463. The reversal of 136255460 is 64552631.

136255460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (136255463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154220 + ... + 155100.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 2136255460 is an apocalyptic number.

136255460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136255460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168920640).

136255460 is an abundant number, since it is smaller than the sum of its proper divisors (201585820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136255460 is a wasteful number, since it uses less digits than its factorization.

136255460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 136255460 is about 11672.8514082892. The cubic root of 136255460 is about 514.5781067326.

The spelling of 136255460 in words is "one hundred thirty-six million, two hundred fifty-five thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 19 20 22 37 38 44 55 74 76 95 110 148 185 190 209 220 370 380 407 418 703 740 814 836 881 1045 1406 1628 1762 2035 2090 2812 3515 3524 4070 4180 4405 7030 7733 8140 8810 9691 14060 15466 16739 17620 19382 30932 32597 33478 38665 38764 48455 65194 66956 77330 83695 96910 130388 154660 162985 167390 184129 193820 325970 334780 358567 368258 619343 651940 717134 736516 920645 1238686 1434268 1792835 1841290 2477372 3096715 3585670 3682580 6193430 6812773 7171340 12386860 13625546 27251092 34063865 68127730 136255460