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136992185 = 51119337389
BaseRepresentation
bin10000010101001…
…01010110111001
3100112202220221122
420022211112321
5240032222220
621332115025
73252262061
oct1012452671
9315686848
10136992185
1170368290
1239a65a75
13224c6285
14142a03a1
15c060425
hex82a55b9

136992185 has 32 divisors (see below), whose sum is σ = 189820800. Its totient is φ = 93864960.

The previous prime is 136992179. The next prime is 136992199. The reversal of 136992185 is 581299631.

It is a happy number.

It is not a de Polignac number, because 136992185 - 210 = 136991161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351971 + ... + 352359.

It is an arithmetic number, because the mean of its divisors is an integer number (5931900).

Almost surely, 2136992185 is an apocalyptic number.

It is an amenable number.

136992185 is a deficient number, since it is larger than the sum of its proper divisors (52828615).

136992185 is a wasteful number, since it uses less digits than its factorization.

136992185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its digits is 116640, while the sum is 44.

The square root of 136992185 is about 11704.3660657039. The cubic root of 136992185 is about 515.5038710756.

The spelling of 136992185 in words is "one hundred thirty-six million, nine hundred ninety-two thousand, one hundred eighty-five".

Divisors: 1 5 11 19 55 95 209 337 389 1045 1685 1945 3707 4279 6403 7391 18535 21395 32015 36955 70433 81301 131093 352165 406505 655465 1442023 2490767 7210115 12453835 27398437 136992185