113690780 has 48 divisors (see below), whose sum is σ = 278443200. Its totient is φ = 38977344.

The previous prime is 113690779. The next prime is 113690789. The reversal of 113690780 is 87096311.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 113690780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113690789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (5800900).

Almost surely, 2^113690780 is an apocalyptic number.

113690780 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 113690780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139221600).

113690780 is an abundant number, since it is smaller than the sum of its proper divisors (164752420).

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

113690780 is a wasteful number, since it uses less digits than its factorization.

113690780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16603 (or 16587 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 113690780 is about 10662.5878659920. The cubic root of 113690780 is about 484.4419556696.

The spelling of 113690780 in words is "one hundred thirteen million, six hundred ninety thousand, seven hundred eighty".