137672087 has 16 divisors (see below), whose sum is σ = 160124160. Its totient is φ = 115929792.

The previous prime is 137672063. The next prime is 137672107. The reversal of 137672087 is 780276731.

137672087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 137672087 - 2¹⁰ = 137671063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137672027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213788 + ... + 214430.

It is an arithmetic number, because the mean of its divisors is an integer number (10007760).

Almost surely, 2^137672087 is an apocalyptic number.

137672087 is a deficient number, since it is larger than the sum of its proper divisors (22452073).

137672087 is an equidigital number, since it uses as much as digits as its factorization.

137672087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 137672087 is about 11733.3749194339. The cubic root of 137672087 is about 516.3552915838.

The spelling of 137672087 in words is "one hundred thirty-seven million, six hundred seventy-two thousand, eighty-seven".