137318328507 has 16 divisors (see below), whose sum is σ = 191063335680. Its totient is φ = 87559926432.

The previous prime is 137318328503. The next prime is 137318328509. The reversal of 137318328507 is 705823813731.

It is not a de Polignac number, because 137318328507 - 2² = 137318328503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137318328503) 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, 1280788 + ... + 1383854.

It is an arithmetic number, because the mean of its divisors is an integer number (11941458480).

Almost surely, 2^137318328507 is an apocalyptic number.

137318328507 is a deficient number, since it is larger than the sum of its proper divisors (53745007173).

137318328507 is a wasteful number, since it uses less digits than its factorization.

137318328507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122402.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 137318328507 in words is "one hundred thirty-seven billion, three hundred eighteen million, three hundred twenty-eight thousand, five hundred seven".