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136020430 = 25713197867
BaseRepresentation
bin10000001101110…
…00000111001110
3100110221112221201
420012320013032
5234310123210
621255220114
73241104010
oct1006700716
9313845851
10136020430
116a864187
123967763a
1322245b80
14140ca1b0
15be1c53a
hex81b81ce

136020430 has 64 divisors (see below), whose sum is σ = 317237760. Its totient is φ = 40777344.

The previous prime is 136020407. The next prime is 136020457. The reversal of 136020430 is 34020631.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 136020398 and 136020407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13357 + ... + 21223.

It is an arithmetic number, because the mean of its divisors is an integer number (4956840).

Almost surely, 2136020430 is an apocalyptic number.

136020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136020430 is an abundant number, since it is smaller than the sum of its proper divisors (181217330).

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

136020430 is a wasteful number, since it uses less digits than its factorization.

136020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 136020430 is about 11662.7796858210. The cubic root of 136020430 is about 514.2820674712.

The spelling of 136020430 in words is "one hundred thirty-six million, twenty thousand, four hundred thirty".

Divisors: 1 2 5 7 10 13 14 19 26 35 38 65 70 91 95 130 133 182 190 247 266 455 494 665 910 1235 1330 1729 2470 3458 7867 8645 15734 17290 39335 55069 78670 102271 110138 149473 204542 275345 298946 511355 550690 715897 747365 1022710 1046311 1431794 1494730 1943149 2092622 3579485 3886298 5231555 7158970 9715745 10463110 13602043 19431490 27204086 68010215 136020430