113193390 has 32 divisors (see below), whose sum is σ = 277447680. Its totient is φ = 29542304.

The previous prime is 113193347. The next prime is 113193391. The reversal of 113193390 is 93391311.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113193391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38730 + ... + 41549.

It is an arithmetic number, because the mean of its divisors is an integer number (8670240).

Almost surely, 2^113193390 is an apocalyptic number.

113193390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113193390 is an abundant number, since it is smaller than the sum of its proper divisors (164254290).

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

113193390 is a wasteful number, since it uses less digits than its factorization.

113193390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80336.

The product of its (nonzero) digits is 2187, while the sum is 30.

The square root of 113193390 is about 10639.2382246099. The cubic root of 113193390 is about 483.7344552290.

The spelling of 113193390 in words is "one hundred thirteen million, one hundred ninety-three thousand, three hundred ninety".