113501439 has 8 divisors (see below), whose sum is σ = 168150320. Its totient is φ = 75667608.

The previous prime is 113501411. The next prime is 113501449. The reversal of 113501439 is 934105311.

113501439 is a `hidden beast` number, since 113 + 501 + 43 + 9 = 666.

It is not a de Polignac number, because 113501439 - 2¹¹ = 113499391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4203757 = 113501439 / (1 + 1 + 3 + 5 + 0 + 1 + 4 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113501449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101852 + ... + 2101905.

It is an arithmetic number, because the mean of its divisors is an integer number (21018790).

Almost surely, 2^113501439 is an apocalyptic number.

113501439 is a deficient number, since it is larger than the sum of its proper divisors (54648881).

113501439 is an equidigital number, since it uses as much as digits as its factorization.

113501439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203766 (or 4203760 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 113501439 is about 10653.7054117335. The cubic root of 113501439 is about 484.1728758286.

The spelling of 113501439 in words is "one hundred thirteen million, five hundred one thousand, four hundred thirty-nine".