139874134013 has 4 divisors (see below), whose sum is σ = 147235930560. Its totient is φ = 132512337468.

The previous prime is 139874133983. The next prime is 139874134027. The reversal of 139874134013 is 310431478931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139874134013 - 2²⁰ = 139873085437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139874134513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3680898245 + ... + 3680898282.

It is an arithmetic number, because the mean of its divisors is an integer number (36808982640).

Almost surely, 2^139874134013 is an apocalyptic number.

It is an amenable number.

139874134013 is a deficient number, since it is larger than the sum of its proper divisors (7361796547).

139874134013 is an equidigital number, since it uses as much as digits as its factorization.

139874134013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361796546.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 139874134013 in words is "one hundred thirty-nine billion, eight hundred seventy-four million, one hundred thirty-four thousand, thirteen".