113701591 has 4 divisors (see below), whose sum is σ = 113980000. Its totient is φ = 113423184.

The previous prime is 113701579. The next prime is 113701607. The reversal of 113701591 is 195107311.

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 113701591 - 2⁷ = 113701463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113701561) 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 in 3 ways as a sum of consecutive naturals, for example, 138591 + ... + 139408.

It is an arithmetic number, because the mean of its divisors is an integer number (28495000).

Almost surely, 2^113701591 is an apocalyptic number.

113701591 is a deficient number, since it is larger than the sum of its proper divisors (278409).

113701591 is an equidigital number, since it uses as much as digits as its factorization.

113701591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278408.

The product of its (nonzero) digits is 945, while the sum is 28.

The square root of 113701591 is about 10663.0948134207. The cubic root of 113701591 is about 484.4573105823.

The spelling of 113701591 in words is "one hundred thirteen million, seven hundred one thousand, five hundred ninety-one".