139379873419 has 4 divisors (see below), whose sum is σ = 143875998400. Its totient is φ = 134883748440.

The previous prime is 139379873407. The next prime is 139379873429. The reversal of 139379873419 is 914378973931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139379873419 - 2²¹ = 139377776267 is a prime.

It is a super-2 number, since 2×139379873419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139379873429) 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, 2248062444 + ... + 2248062505.

It is an arithmetic number, because the mean of its divisors is an integer number (35968999600).

Almost surely, 2^139379873419 is an apocalyptic number.

139379873419 is a deficient number, since it is larger than the sum of its proper divisors (4496124981).

139379873419 is an equidigital number, since it uses as much as digits as its factorization.

139379873419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496124980.

The product of its digits is 30862944, while the sum is 64.

The spelling of 139379873419 in words is "one hundred thirty-nine billion, three hundred seventy-nine million, eight hundred seventy-three thousand, four hundred nineteen".