139129484475 has 24 divisors (see below), whose sum is σ = 230042528320. Its totient is φ = 74197516320.

The previous prime is 139129484453. The next prime is 139129484479. The reversal of 139129484475 is 574484921931.

It is not a de Polignac number, because 139129484475 - 2¹⁷ = 139129353403 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (139129484479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1284996 + ... + 1389054.

Almost surely, 2^139129484475 is an apocalyptic number.

139129484475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139129484475 is a deficient number, since it is larger than the sum of its proper divisors (90913043845).

139129484475 is a wasteful number, since it uses less digits than its factorization.

139129484475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121899 (or 121894 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 139129484475 in words is "one hundred thirty-nine billion, one hundred twenty-nine million, four hundred eighty-four thousand, four hundred seventy-five".