137012507 has 8 divisors (see below), whose sum is σ = 138853440. Its totient is φ = 135183880.

The previous prime is 137012483. The next prime is 137012543. The reversal of 137012507 is 705210731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137012507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137092507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20528 + ... + 26370.

It is an arithmetic number, because the mean of its divisors is an integer number (17356680).

Almost surely, 2^137012507 is an apocalyptic number.

137012507 is a deficient number, since it is larger than the sum of its proper divisors (1840933).

137012507 is a wasteful number, since it uses less digits than its factorization.

137012507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6153.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 137012507 is about 11705.2341710877. The cubic root of 137012507 is about 515.5293604900.

The spelling of 137012507 in words is "one hundred thirty-seven million, twelve thousand, five hundred seven".