113771280 has 160 divisors (see below), whose sum is σ = 406188288. Its totient is φ = 25804800.

The previous prime is 113771279. The next prime is 113771369. The reversal of 113771280 is 82177311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404740 + ... + 405020.

Almost surely, 2^113771280 is an apocalyptic number.

113771280 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 113771280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203094144).

113771280 is an abundant number, since it is smaller than the sum of its proper divisors (292417008).

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

113771280 is a wasteful number, since it uses less digits than its factorization.

113771280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 113771280 is about 10666.3620789846. The cubic root of 113771280 is about 484.5562668355.

The spelling of 113771280 in words is "one hundred thirteen million, seven hundred seventy-one thousand, two hundred eighty".