137090387 has 12 divisors (see below), whose sum is σ = 159707160. Its totient is φ = 117333216.

The previous prime is 137090323. The next prime is 137090389. The reversal of 137090387 is 783090731.

It is a happy number.

137090387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137090387 - 2⁶ = 137090323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137090387.

It is not an unprimeable number, because it can be changed into a prime (137090389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40463 + ... + 43719.

It is an arithmetic number, because the mean of its divisors is an integer number (13308930).

Almost surely, 2^137090387 is an apocalyptic number.

137090387 is a deficient number, since it is larger than the sum of its proper divisors (22616773).

137090387 is an equidigital number, since it uses as much as digits as its factorization.

137090387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130 (or 4123 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 137090387 is about 11708.5604153542. The cubic root of 137090387 is about 515.6270202406.

The spelling of 137090387 in words is "one hundred thirty-seven million, ninety thousand, three hundred eighty-seven".