139591828631 has 8 divisors (see below), whose sum is σ = 146990255280. Its totient is φ = 132198550848.

The previous prime is 139591828601. The next prime is 139591828679. The reversal of 139591828631 is 136828195931.

It is a happy number.

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 139591828631 - 2¹⁰ = 139591827607 is a prime.

It is a super-2 number, since 2×139591828631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139591828601) 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, 1231496 + ... + 1340061.

It is an arithmetic number, because the mean of its divisors is an integer number (18373781910).

Almost surely, 2^139591828631 is an apocalyptic number.

139591828631 is a deficient number, since it is larger than the sum of its proper divisors (7398426649).

139591828631 is a wasteful number, since it uses less digits than its factorization.

139591828631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574433.

The product of its digits is 2799360, while the sum is 56.

The spelling of 139591828631 in words is "one hundred thirty-nine billion, five hundred ninety-one million, eight hundred twenty-eight thousand, six hundred thirty-one".