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136387900 = 225211123989
BaseRepresentation
bin10000010000100…
…01110100111100
3100111122020000201
420020101310330
5234403403100
621311133244
73244164235
oct1010216474
9314566021
10136387900
116aa95280
1239814224
13223441cc
141418408c
15be9136a
hex8211d3c

136387900 has 36 divisors (see below), whose sum is σ = 322869960. Its totient is φ = 49595200.

The previous prime is 136387877. The next prime is 136387903. The reversal of 136387900 is 9783631.

It is a self number, because there is not a number n which added to its sum of digits gives 136387900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136387903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60895 + ... + 63094.

It is an arithmetic number, because the mean of its divisors is an integer number (8968610).

Almost surely, 2136387900 is an apocalyptic number.

136387900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136387900 is an abundant number, since it is smaller than the sum of its proper divisors (186482060).

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

136387900 is a wasteful number, since it uses less digits than its factorization.

136387900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124014 (or 124007 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 136387900 is about 11678.5230230539. The cubic root of 136387900 is about 514.7447756636.

The spelling of 136387900 in words is "one hundred thirty-six million, three hundred eighty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 123989 247978 495956 619945 1239890 1363879 2479780 2727758 3099725 5455516 6199450 6819395 12398900 13638790 27277580 34096975 68193950 136387900