79142113 has 2 divisors, whose sum is σ = 79142114. Its totient is φ = 79142112.

The previous prime is 79142111. The next prime is 79142179. The reversal of 79142113 is 31124197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48539089 + 30603024 = 6967^2 + 5532^2 .

It is a cyclic number.

It is not a de Polignac number, because 79142113 - 2¹ = 79142111 is a prime.

Together with 79142111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79142111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39571056 + 39571057.

It is an arithmetic number, because the mean of its divisors is an integer number (39571057).

Almost surely, 2^79142113 is an apocalyptic number.

It is an amenable number.

79142113 is a deficient number, since it is larger than the sum of its proper divisors (1).

79142113 is an equidigital number, since it uses as much as digits as its factorization.

79142113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 79142113 is about 8896.1853060736. The cubic root of 79142113 is about 429.3411814891.

The spelling of 79142113 in words is "seventy-nine million, one hundred forty-two thousand, one hundred thirteen".