138732975169264 has 30 divisors (see below), whose sum is σ = 312680060109024. Its totient is φ = 59456989357920.

The previous prime is 138732975169219. The next prime is 138732975169307. The reversal of 138732975169264 is 462961579237831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88477661952 + ... + 88477663519.

Almost surely, 2^{138732975169264} is an apocalyptic number.

138732975169264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

138732975169264 is an abundant number, since it is smaller than the sum of its proper divisors (173947084939760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138732975169264 is a wasteful number, since it uses less digits than its factorization.

138732975169264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176955325493 (or 176955325480 counting only the distinct ones).

The product of its digits is 823011840, while the sum is 73.

The spelling of 138732975169264 in words is "one hundred thirty-eight trillion, seven hundred thirty-two billion, nine hundred seventy-five million, one hundred sixty-nine thousand, two hundred sixty-four".