113512340 has 24 divisors (see below), whose sum is σ = 239700552. Its totient is φ = 45152640.

The previous prime is 113512339. The next prime is 113512361. The reversal of 113512340 is 43215311.

It can be written as a sum of positive squares in 4 ways, for example, as 1406596 + 112105744 = 1186^2 + 10588^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 12059 + ... + 19298.

It is an arithmetic number, because the mean of its divisors is an integer number (9987523).

Almost surely, 2^113512340 is an apocalyptic number.

113512340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113512340 is an abundant number, since it is smaller than the sum of its proper divisors (126188212).

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

113512340 is a wasteful number, since it uses less digits than its factorization.

113512340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31547 (or 31545 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 113512340 is about 10654.2170054866. The cubic root of 113512340 is about 484.1883757776.

Adding to 113512340 its reverse (43215311), we get a palindrome (156727651).

The spelling of 113512340 in words is "one hundred thirteen million, five hundred twelve thousand, three hundred forty".