113139407 has 4 divisors (see below), whose sum is σ = 115770600. Its totient is φ = 110508216.

The previous prime is 113139379. The next prime is 113139409. The reversal of 113139407 is 704931311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113139407 - 2²⁰ = 112090831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113139407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113139409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315532 + ... + 1315617.

It is an arithmetic number, because the mean of its divisors is an integer number (28942650).

Almost surely, 2^113139407 is an apocalyptic number.

113139407 is a deficient number, since it is larger than the sum of its proper divisors (2631193).

113139407 is an equidigital number, since it uses as much as digits as its factorization.

113139407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631192.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 113139407 is about 10636.7009453119. The cubic root of 113139407 is about 483.6575438197.

The spelling of 113139407 in words is "one hundred thirteen million, one hundred thirty-nine thousand, four hundred seven".