137557136 has 10 divisors (see below), whose sum is σ = 266516982. Its totient is φ = 68778560.

The previous prime is 137557127. The next prime is 137557139. The reversal of 137557136 is 631755731.

It can be written as a sum of positive squares in only one way, i.e., 91317136 + 46240000 = 9556^2 + 6800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137557136.

It is not an unprimeable number, because it can be changed into a prime (137557139) 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 as a sum of consecutive naturals, namely, 4298645 + ... + 4298676.

Almost surely, 2^137557136 is an apocalyptic number.

137557136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

137557136 is a deficient number, since it is larger than the sum of its proper divisors (128959846).

137557136 is an equidigital number, since it uses as much as digits as its factorization.

137557136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597329 (or 8597323 counting only the distinct ones).

The product of its digits is 66150, while the sum is 38.

The square root of 137557136 is about 11728.4754337467. The cubic root of 137557136 is about 516.2115391695.

The spelling of 137557136 in words is "one hundred thirty-seven million, five hundred fifty-seven thousand, one hundred thirty-six".