139223262815 has 64 divisors (see below), whose sum is σ = 217860814080. Its totient is φ = 82885386240.

The previous prime is 139223262811. The next prime is 139223262839. The reversal of 139223262815 is 518262322931.

139223262815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139223262815 - 2² = 139223262811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139223262811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13832885 + ... + 13842945.

It is an arithmetic number, because the mean of its divisors is an integer number (3404075220).

Almost surely, 2^139223262815 is an apocalyptic number.

139223262815 is a deficient number, since it is larger than the sum of its proper divisors (78637551265).

139223262815 is a wasteful number, since it uses less digits than its factorization.

139223262815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11892.

The product of its digits is 311040, while the sum is 44.

The spelling of 139223262815 in words is "one hundred thirty-nine billion, two hundred twenty-three million, two hundred sixty-two thousand, eight hundred fifteen".