139380564459 has 4 divisors (see below), whose sum is σ = 185840752616. Its totient is φ = 92920376304.

The previous prime is 139380564457. The next prime is 139380564493. The reversal of 139380564459 is 954465083931.

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

It is not a de Polignac number, because 139380564459 - 2¹ = 139380564457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139380564399 and 139380564408.

It is not an unprimeable number, because it can be changed into a prime (139380564451) 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, 23230094074 + ... + 23230094079.

It is an arithmetic number, because the mean of its divisors is an integer number (46460188154).

Almost surely, 2^139380564459 is an apocalyptic number.

139380564459 is a deficient number, since it is larger than the sum of its proper divisors (46460188157).

139380564459 is an equidigital number, since it uses as much as digits as its factorization.

139380564459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46460188156.

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 139380564459 in words is "one hundred thirty-nine billion, three hundred eighty million, five hundred sixty-four thousand, four hundred fifty-nine".