137490975 has 18 divisors (see below), whose sum is σ = 246262016. Its totient is φ = 73328400.

The previous prime is 137490971. The next prime is 137491007. The reversal of 137490975 is 579094731.

137490975 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 137490975 - 2² = 137490971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 137490975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137490971) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 305311 + ... + 305760.

Almost surely, 2^137490975 is an apocalyptic number.

137490975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137490975 is a deficient number, since it is larger than the sum of its proper divisors (108771041).

137490975 is a wasteful number, since it uses less digits than its factorization.

137490975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611087 (or 611079 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 137490975 is about 11725.6545659507. The cubic root of 137490975 is about 516.1287649623.

The spelling of 137490975 in words is "one hundred thirty-seven million, four hundred ninety thousand, nine hundred seventy-five".