139960069931 has 16 divisors (see below), whose sum is σ = 153184012800. Its totient is φ = 126819816480.

The previous prime is 139960069919. The next prime is 139960069939.

139960069931 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139960069931 is a prime.

It is a super-2 number, since 2×139960069931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139960069939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11768270 + ... + 11780156.

It is an arithmetic number, because the mean of its divisors is an integer number (9574000800).

Almost surely, 2^139960069931 is an apocalyptic number.

139960069931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139960069931 is a deficient number, since it is larger than the sum of its proper divisors (13223942869).

139960069931 is a wasteful number, since it uses less digits than its factorization.

139960069931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15314.

The product of its (nonzero) digits is 2125764, while the sum is 56.

The spelling of 139960069931 in words is "one hundred thirty-nine billion, nine hundred sixty million, sixty-nine thousand, nine hundred thirty-one".