139101513 has 4 divisors (see below), whose sum is σ = 185468688. Its totient is φ = 92734340.

The previous prime is 139101511. The next prime is 139101551. The reversal of 139101513 is 315101931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139101513 - 2¹ = 139101511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139101511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23183583 + ... + 23183588.

It is an arithmetic number, because the mean of its divisors is an integer number (46367172).

Almost surely, 2^139101513 is an apocalyptic number.

It is an amenable number.

139101513 is a deficient number, since it is larger than the sum of its proper divisors (46367175).

139101513 is an equidigital number, since it uses as much as digits as its factorization.

139101513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46367174.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 139101513 is about 11794.1304469639. The cubic root of 139101513 is about 518.1362186041.

The spelling of 139101513 in words is "one hundred thirty-nine million, one hundred one thousand, five hundred thirteen".