139695063 has 16 divisors (see below), whose sum is σ = 191925216. Its totient is φ = 90339840.

The previous prime is 139695029. The next prime is 139695071. The reversal of 139695063 is 360596931.

It is a de Polignac number, because none of the positive numbers 2^k-139695063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139695013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8131 + ... + 18587.

It is an arithmetic number, because the mean of its divisors is an integer number (11995326).

Almost surely, 2^139695063 is an apocalyptic number.

139695063 is a deficient number, since it is larger than the sum of its proper divisors (52230153).

139695063 is a wasteful number, since it uses less digits than its factorization.

139695063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 139695063 is about 11819.2666016128. The cubic root of 139695063 is about 518.8721400500.

The spelling of 139695063 in words is "one hundred thirty-nine million, six hundred ninety-five thousand, sixty-three".