113391144 has 32 divisors (see below), whose sum is σ = 314976000. Its totient is φ = 37796976.

The previous prime is 113391137. The next prime is 113391151. The reversal of 113391144 is 441193311.

It is an interprime number because it is at equal distance from previous prime (113391137) and next prime (113391151).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 262264 + ... + 262695.

It is an arithmetic number, because the mean of its divisors is an integer number (9843000).

Almost surely, 2^113391144 is an apocalyptic number.

It is an amenable number.

113391144 is an abundant number, since it is smaller than the sum of its proper divisors (201584856).

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

113391144 is a wasteful number, since it uses less digits than its factorization.

113391144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524974 (or 524964 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 113391144 is about 10648.5277855674. The cubic root of 113391144 is about 484.0159933699.

The spelling of 113391144 in words is "one hundred thirteen million, three hundred ninety-one thousand, one hundred forty-four".