113780765 has 16 divisors (see below), whose sum is σ = 157082880. Its totient is φ = 77500800.

The previous prime is 113780761. The next prime is 113780783. The reversal of 113780765 is 567087311.

It is not a de Polignac number, because 113780765 - 2² = 113780761 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113780761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5480 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (9817680).

Almost surely, 2^113780765 is an apocalyptic number.

It is an amenable number.

113780765 is a deficient number, since it is larger than the sum of its proper divisors (43302115).

113780765 is a wasteful number, since it uses less digits than its factorization.

113780765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21692.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 113780765 is about 10666.8066917893. The cubic root of 113780765 is about 484.5697321215.

The spelling of 113780765 in words is "one hundred thirteen million, seven hundred eighty thousand, seven hundred sixty-five".