137686157 has 16 divisors (see below), whose sum is σ = 159204864. Its totient is φ = 116640000.

The previous prime is 137686147. The next prime is 137686187. The reversal of 137686157 is 751686731.

It is a cyclic number.

It is not a de Polignac number, because 137686157 - 2⁸ = 137685901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137686147) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 343157 + ... + 343557.

It is an arithmetic number, because the mean of its divisors is an integer number (9950304).

Almost surely, 2^137686157 is an apocalyptic number.

It is an amenable number.

137686157 is a deficient number, since it is larger than the sum of its proper divisors (21518707).

137686157 is a wasteful number, since it uses less digits than its factorization.

137686157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its digits is 211680, while the sum is 44.

The square root of 137686157 is about 11733.9744758543. The cubic root of 137686157 is about 516.3728813791.

The spelling of 137686157 in words is "one hundred thirty-seven million, six hundred eighty-six thousand, one hundred fifty-seven".