139672490906 has 16 divisors (see below), whose sum is σ = 228480806400. Its totient is φ = 63648222768.

The previous prime is 139672490899. The next prime is 139672490917. The reversal of 139672490906 is 609094276931.

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 7 ways as a sum of consecutive naturals, for example, 33998066 + ... + 34002173.

It is an arithmetic number, because the mean of its divisors is an integer number (14280050400).

Almost surely, 2^139672490906 is an apocalyptic number.

139672490906 is a deficient number, since it is larger than the sum of its proper divisors (88808315494).

139672490906 is a wasteful number, since it uses less digits than its factorization.

139672490906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68000333.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 139672490906 in words is "one hundred thirty-nine billion, six hundred seventy-two million, four hundred ninety thousand, nine hundred six".