139250463123 has 4 divisors (see below), whose sum is σ = 185667284168. Its totient is φ = 92833642080.

The previous prime is 139250463049. The next prime is 139250463133. The reversal of 139250463123 is 321364052931.

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

It is not a de Polignac number, because 139250463123 - 2¹⁸ = 139250200979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139250463133) 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, 23208410518 + ... + 23208410523.

It is an arithmetic number, because the mean of its divisors is an integer number (46416821042).

Almost surely, 2^139250463123 is an apocalyptic number.

139250463123 is a deficient number, since it is larger than the sum of its proper divisors (46416821045).

139250463123 is an equidigital number, since it uses as much as digits as its factorization.

139250463123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46416821044.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 139250463123 in words is "one hundred thirty-nine billion, two hundred fifty million, four hundred sixty-three thousand, one hundred twenty-three".