139518570263 has 2 divisors, whose sum is σ = 139518570264. Its totient is φ = 139518570262.

The previous prime is 139518570227. The next prime is 139518570277. The reversal of 139518570263 is 362075815931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139518570263 - 2¹² = 139518566167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139518573263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69759285131 + 69759285132.

It is an arithmetic number, because the mean of its divisors is an integer number (69759285132).

Almost surely, 2^139518570263 is an apocalyptic number.

139518570263 is a deficient number, since it is larger than the sum of its proper divisors (1).

139518570263 is an equidigital number, since it uses as much as digits as its factorization.

139518570263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 139518570263 in words is "one hundred thirty-nine billion, five hundred eighteen million, five hundred seventy thousand, two hundred sixty-three".