139967315507 has 4 divisors (see below), whose sum is σ = 143222369400. Its totient is φ = 136712261616.

The previous prime is 139967315473. The next prime is 139967315513. The reversal of 139967315507 is 705513769931.

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 139967315507 - 2²⁴ = 139950538291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139967315567) 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, 1627526882 + ... + 1627526967.

It is an arithmetic number, because the mean of its divisors is an integer number (35805592350).

Almost surely, 2^139967315507 is an apocalyptic number.

139967315507 is a deficient number, since it is larger than the sum of its proper divisors (3255053893).

139967315507 is an equidigital number, since it uses as much as digits as its factorization.

139967315507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255053892.

The product of its (nonzero) digits is 5358150, while the sum is 56.

The spelling of 139967315507 in words is "one hundred thirty-nine billion, nine hundred sixty-seven million, three hundred fifteen thousand, five hundred seven".