139130475 has 24 divisors (see below), whose sum is σ = 250942272. Its totient is φ = 67456800.

The previous prime is 139130461. The next prime is 139130479. The reversal of 139130475 is 574031931.

It is not a de Polignac number, because 139130475 - 2⁷ = 139130347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (139130479) 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, 83497 + ... + 85146.

It is an arithmetic number, because the mean of its divisors is an integer number (10455928).

Almost surely, 2^139130475 is an apocalyptic number.

139130475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139130475 is a deficient number, since it is larger than the sum of its proper divisors (111811797).

139130475 is a wasteful number, since it uses less digits than its factorization.

139130475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168667 (or 168662 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 139130475 is about 11795.3581971893. The cubic root of 139130475 is about 518.1721760846.

The spelling of 139130475 in words is "one hundred thirty-nine million, one hundred thirty thousand, four hundred seventy-five".