139572623903 has 4 divisors (see below), whose sum is σ = 139703925648. Its totient is φ = 139441322160.

The previous prime is 139572623893. The next prime is 139572623951. The reversal of 139572623903 is 309326275931.

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 139572623903 - 2³² = 135277656607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139572623303) 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, 65649278 + ... + 65651403.

It is an arithmetic number, because the mean of its divisors is an integer number (34925981412).

Almost surely, 2^139572623903 is an apocalyptic number.

139572623903 is a deficient number, since it is larger than the sum of its proper divisors (131301745).

139572623903 is a wasteful number, since it uses less digits than its factorization.

139572623903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131301744.

The product of its (nonzero) digits is 1837080, while the sum is 50.

The spelling of 139572623903 in words is "one hundred thirty-nine billion, five hundred seventy-two million, six hundred twenty-three thousand, nine hundred three".