113342640 has 40 divisors (see below), whose sum is σ = 351362928. Its totient is φ = 30224640.

The previous prime is 113342633. The next prime is 113342653. The reversal of 113342640 is 46243311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 113342640.

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, 235891 + ... + 236370.

Almost surely, 2^113342640 is an apocalyptic number.

113342640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113342640 is an abundant number, since it is smaller than the sum of its proper divisors (238020288).

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

113342640 is a wasteful number, since it uses less digits than its factorization.

113342640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472277 (or 472271 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 113342640 is about 10646.2500440296. The cubic root of 113342640 is about 483.9469695786.

Adding to 113342640 its reverse (46243311), we get a palindrome (159585951).

The spelling of 113342640 in words is "one hundred thirteen million, three hundred forty-two thousand, six hundred forty".