139345475 has 12 divisors (see below), whose sum is σ = 172947264. Its totient is φ = 111373920.

The previous prime is 139345471. The next prime is 139345483. The reversal of 139345475 is 574543931.

It is not a de Polignac number, because 139345475 - 2² = 139345471 is a prime.

It is a super-2 number, since 2×139345475² = 38834322805951250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139345471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37397 + ... + 40953.

It is an arithmetic number, because the mean of its divisors is an integer number (14412272).

Almost surely, 2^139345475 is an apocalyptic number.

139345475 is a deficient number, since it is larger than the sum of its proper divisors (33601789).

139345475 is a wasteful number, since it uses less digits than its factorization.

139345475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134 (or 5129 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 139345475 is about 11804.4684336060. The cubic root of 139345475 is about 518.4389512846.

The spelling of 139345475 in words is "one hundred thirty-nine million, three hundred forty-five thousand, four hundred seventy-five".