113781948 has 24 divisors (see below), whose sum is σ = 303418752. Its totient is φ = 32509104.

The previous prime is 113781931. The next prime is 113781949. The reversal of 113781948 is 849187311.

113781948 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

113781948 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113781949) 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 7 ways as a sum of consecutive naturals, for example, 677190 + ... + 677357.

It is an arithmetic number, because the mean of its divisors is an integer number (12642448).

Almost surely, 2^113781948 is an apocalyptic number.

It is an amenable number.

113781948 is an abundant number, since it is smaller than the sum of its proper divisors (189636804).

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

113781948 is a wasteful number, since it uses less digits than its factorization.

113781948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354561 (or 1354559 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 113781948 is about 10666.8621440422. The cubic root of 113781948 is about 484.5714115032.

The spelling of 113781948 in words is "one hundred thirteen million, seven hundred eighty-one thousand, nine hundred forty-eight".