139601640695 has 16 divisors (see below), whose sum is σ = 183028602240. Its totient is φ = 101374375200.

The previous prime is 139601640667. The next prime is 139601640697. The reversal of 139601640695 is 596046106931.

It is not a de Polignac number, because 139601640695 - 2¹⁸ = 139601378551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139601640697) 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, 1889561 + ... + 1962050.

It is an arithmetic number, because the mean of its divisors is an integer number (11439287640).

Almost surely, 2^139601640695 is an apocalyptic number.

139601640695 is a deficient number, since it is larger than the sum of its proper divisors (43426961545).

139601640695 is a wasteful number, since it uses less digits than its factorization.

139601640695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852286.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 139601640695 in words is "one hundred thirty-nine billion, six hundred one million, six hundred forty thousand, six hundred ninety-five".