139922475 has 48 divisors (see below), whose sum is σ = 288433920. Its totient is φ = 58147200.

The previous prime is 139922417. The next prime is 139922483. The reversal of 139922475 is 574229931.

It is not a de Polignac number, because 139922475 - 2⁶ = 139922411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6340 + ... + 17889.

It is an arithmetic number, because the mean of its divisors is an integer number (6009040).

Almost surely, 2^139922475 is an apocalyptic number.

139922475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139922475 is an abundant number, since it is smaller than the sum of its proper divisors (148511445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139922475 is a wasteful number, since it uses less digits than its factorization.

139922475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24260 (or 24255 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 139922475 is about 11828.8830833684. The cubic root of 139922475 is about 519.1535477014.

The spelling of 139922475 in words is "one hundred thirty-nine million, nine hundred twenty-two thousand, four hundred seventy-five".