113143091 has 2 divisors, whose sum is σ = 113143092. Its totient is φ = 113143090.

The previous prime is 113143073. The next prime is 113143097. The reversal of 113143091 is 190341311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113143091 - 2¹⁴ = 113126707 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113143097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56571545 + 56571546.

It is an arithmetic number, because the mean of its divisors is an integer number (56571546).

Almost surely, 2^113143091 is an apocalyptic number.

113143091 is a deficient number, since it is larger than the sum of its proper divisors (1).

113143091 is an equidigital number, since it uses as much as digits as its factorization.

113143091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 113143091 is about 10636.8741178976. The cubic root of 113143091 is about 483.6627933170.

The spelling of 113143091 in words is "one hundred thirteen million, one hundred forty-three thousand, ninety-one".