113771440 has 40 divisors (see below), whose sum is σ = 265898160. Its totient is φ = 45271296.

The previous prime is 113771423. The next prime is 113771467. The reversal of 113771440 is 44177311.

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

It is a junction number, because it is equal to n+sod(n) for n = 113771399 and 113771408.

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, 12151 + ... + 19369.

It is an arithmetic number, because the mean of its divisors is an integer number (6647454).

Almost surely, 2^113771440 is an apocalyptic number.

113771440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113771440 is an abundant number, since it is smaller than the sum of its proper divisors (152126720).

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

113771440 is a wasteful number, since it uses less digits than its factorization.

113771440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429 (or 7423 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 113771440 is about 10666.3695791961. The cubic root of 113771440 is about 484.5564939841.

The spelling of 113771440 in words is "one hundred thirteen million, seven hundred seventy-one thousand, four hundred forty".