113154640 has 40 divisors (see below), whose sum is σ = 265563360. Its totient is φ = 44835456.

The previous prime is 113154631. The next prime is 113154661. The reversal of 113154640 is 46451311.

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

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, 1951 + ... + 15169.

It is an arithmetic number, because the mean of its divisors is an integer number (6639084).

Almost surely, 2^113154640 is an apocalyptic number.

113154640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113154640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132781680).

113154640 is an abundant number, since it is smaller than the sum of its proper divisors (152408720).

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

113154640 is a wasteful number, since it uses less digits than its factorization.

113154640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13339 (or 13333 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 113154640 is about 10637.4169796995. The cubic root of 113154640 is about 483.6792492682.

The spelling of 113154640 in words is "one hundred thirteen million, one hundred fifty-four thousand, six hundred forty".