113439508 has 54 divisors (see below), whose sum is σ = 249878538. Its totient is φ = 44664480.

The previous prime is 113439499. The next prime is 113439517. The reversal of 113439508 is 805934311.

It is an interprime number because it is at equal distance from previous prime (113439499) and next prime (113439517).

It can be written as a sum of positive squares in only one way, i.e., 78535044 + 34904464 = 8862^2 + 5908^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 537523 + ... + 537733.

Almost surely, 2^113439508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113439508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124939269).

113439508 is an abundant number, since it is smaller than the sum of its proper divisors (136439030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113439508 is a wasteful number, since it uses less digits than its factorization.

113439508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 113439508 is about 10650.7984677206. The cubic root of 113439508 is about 484.0847983380.

The spelling of 113439508 in words is "one hundred thirteen million, four hundred thirty-nine thousand, five hundred eight".