139420058179 has 4 divisors (see below), whose sum is σ = 139422295576. Its totient is φ = 139417820784.

The previous prime is 139420058137. The next prime is 139420058207. The reversal of 139420058179 is 971850024931.

It is a happy number.

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 139420058179 - 2²³ = 139411669571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139420058879) 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, 1022469 + ... + 1150774.

It is an arithmetic number, because the mean of its divisors is an integer number (34855573894).

Almost surely, 2^139420058179 is an apocalyptic number.

139420058179 is a deficient number, since it is larger than the sum of its proper divisors (2237397).

139420058179 is an equidigital number, since it uses as much as digits as its factorization.

139420058179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237396.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 139420058179 in words is "one hundred thirty-nine billion, four hundred twenty million, fifty-eight thousand, one hundred seventy-nine".