139061400835 has 32 divisors (see below), whose sum is σ = 191168675712. Its totient is φ = 95128750080.

The previous prime is 139061400799. The next prime is 139061400847. The reversal of 139061400835 is 538004160931.

It is not a de Polignac number, because 139061400835 - 2¹⁵ = 139061368067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30486955 + ... + 30491515.

It is an arithmetic number, because the mean of its divisors is an integer number (5974021116).

Almost surely, 2^139061400835 is an apocalyptic number.

139061400835 is a deficient number, since it is larger than the sum of its proper divisors (52107274877).

139061400835 is a wasteful number, since it uses less digits than its factorization.

139061400835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 139061400835 in words is "one hundred thirty-nine billion, sixty-one million, four hundred thousand, eight hundred thirty-five".