137308479 has 32 divisors (see below), whose sum is σ = 233127936. Its totient is φ = 69805920.

The previous prime is 137308471. The next prime is 137308481. The reversal of 137308479 is 974803731.

It is not a de Polignac number, because 137308479 - 2³ = 137308471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137308479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137308471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4534 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (7285248).

Almost surely, 2^137308479 is an apocalyptic number.

137308479 is a deficient number, since it is larger than the sum of its proper divisors (95819457).

137308479 is a wasteful number, since it uses less digits than its factorization.

137308479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12715.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 137308479 is about 11717.8700709643. The cubic root of 137308479 is about 515.9003059907.

The spelling of 137308479 in words is "one hundred thirty-seven million, three hundred eight thousand, four hundred seventy-nine".