137394308831 has 8 divisors (see below), whose sum is σ = 149625609840. Its totient is φ = 125400508992.

The previous prime is 137394308783. The next prime is 137394308851. The reversal of 137394308831 is 138803493731.

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

It is a cyclic number.

It is not a de Polignac number, because 137394308831 - 2⁶ = 137394308767 is a prime.

It is a super-2 number, since 2×137394308831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137394308831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137394308851) 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, 59374085 + ... + 59376398.

It is an arithmetic number, because the mean of its divisors is an integer number (18703201230).

Almost surely, 2^137394308831 is an apocalyptic number.

137394308831 is a deficient number, since it is larger than the sum of its proper divisors (12231301009).

137394308831 is a wasteful number, since it uses less digits than its factorization.

137394308831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118750585.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 137394308831 in words is "one hundred thirty-seven billion, three hundred ninety-four million, three hundred eight thousand, eight hundred thirty-one".