137259994365 has 64 divisors (see below), whose sum is σ = 264401114880. Its totient is φ = 67159445760.

The previous prime is 137259994307. The next prime is 137259994367. The reversal of 137259994365 is 563499952731.

137259994365 is a `hidden beast` number, since 1 + 3 + 7 + 2 + 599 + 9 + 4 + 36 + 5 = 666.

It is not a de Polignac number, because 137259994365 - 2¹⁸ = 137259732221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137259994367) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46155 + ... + 525975.

It is an arithmetic number, because the mean of its divisors is an integer number (4131267420).

Almost surely, 2^137259994365 is an apocalyptic number.

137259994365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137259994365 is a deficient number, since it is larger than the sum of its proper divisors (127141120515).

137259994365 is a wasteful number, since it uses less digits than its factorization.

137259994365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480011 (or 480005 counting only the distinct ones).

The product of its digits is 55112400, while the sum is 63.

The spelling of 137259994365 in words is "one hundred thirty-seven billion, two hundred fifty-nine million, nine hundred ninety-four thousand, three hundred sixty-five".