113434520 has 32 divisors (see below), whose sum is σ = 258465600. Its totient is φ = 44798208.

The previous prime is 113434513. The next prime is 113434561. The reversal of 113434520 is 25434311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14789 + ... + 21108.

It is an arithmetic number, because the mean of its divisors is an integer number (8077050).

Almost surely, 2^113434520 is an apocalyptic number.

113434520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113434520 is an abundant number, since it is smaller than the sum of its proper divisors (145031080).

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

113434520 is a wasteful number, since it uses less digits than its factorization.

113434520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35987 (or 35983 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 113434520 is about 10650.5643042986. The cubic root of 113434520 is about 484.0777030723.

Adding to 113434520 its reverse (25434311), we get a palindrome (138868831).

The spelling of 113434520 in words is "one hundred thirteen million, four hundred thirty-four thousand, five hundred twenty".