113835691 has 2 divisors, whose sum is σ = 113835692. Its totient is φ = 113835690.

The previous prime is 113835677. The next prime is 113835697. The reversal of 113835691 is 196538311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113835691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113835691.

It is not a weakly prime, because it can be changed into another prime (113835697) 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, 56917845 + 56917846.

It is an arithmetic number, because the mean of its divisors is an integer number (56917846).

Almost surely, 2^113835691 is an apocalyptic number.

113835691 is a deficient number, since it is larger than the sum of its proper divisors (1).

113835691 is an equidigital number, since it uses as much as digits as its factorization.

113835691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 113835691 is about 10669.3810036009. The cubic root of 113835691 is about 484.6476925615.

It can be divided in two parts, 11383 and 5691, that multiplied together give a triangular number (64780653 = T₁₁₃₈₂).

The spelling of 113835691 in words is "one hundred thirteen million, eight hundred thirty-five thousand, six hundred ninety-one".