139824428931 has 32 divisors (see below), whose sum is σ = 235804055040. Its totient is φ = 81057636000.

The previous prime is 139824428897. The next prime is 139824428971.

139824428931 is a `hidden beast` number, since 1 + 3 + 98 + 2 + 442 + 89 + 31 = 666.

139824428931 is nontrivially palindromic in base 10.

139824428931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139824428931 - 2⁷ = 139824428803 is a prime.

It is a super-2 number, since 2×139824428931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139824428971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10227720 + ... + 10241381.

It is an arithmetic number, because the mean of its divisors is an integer number (7368876720).

Almost surely, 2^139824428931 is an apocalyptic number.

139824428931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139824428931 is a deficient number, since it is larger than the sum of its proper divisors (95979626109).

139824428931 is a wasteful number, since it uses less digits than its factorization.

139824428931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20469144 (or 20469138 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 139824428931 in words is "one hundred thirty-nine billion, eight hundred twenty-four million, four hundred twenty-eight thousand, nine hundred thirty-one".