139475482 has 8 divisors (see below), whose sum is σ = 209486196. Its totient is φ = 69646752.

The previous prime is 139475467. The next prime is 139475491. The reversal of 139475482 is 284574931.

It can be written as a sum of positive squares in 2 ways, for example, as 139216401 + 259081 = 11799^2 + 509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43563 + ... + 46654.

Almost surely, 2^139475482 is an apocalyptic number.

139475482 is a deficient number, since it is larger than the sum of its proper divisors (70010714).

139475482 is an equidigital number, since it uses as much as digits as its factorization.

139475482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90992.

The product of its digits is 241920, while the sum is 43.

The square root of 139475482 is about 11809.9738357034. The cubic root of 139475482 is about 518.6001327949.

The spelling of 139475482 in words is "one hundred thirty-nine million, four hundred seventy-five thousand, four hundred eighty-two".