113506990 has 16 divisors (see below), whose sum is σ = 207191520. Its totient is φ = 44763040.

The previous prime is 113506979. The next prime is 113506997. The reversal of 113506990 is 99605311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113506997) 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 7 ways as a sum of consecutive naturals, for example, 79225 + ... + 80644.

It is an arithmetic number, because the mean of its divisors is an integer number (12949470).

Almost surely, 2^113506990 is an apocalyptic number.

113506990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113506990 is a deficient number, since it is larger than the sum of its proper divisors (93684530).

113506990 is a wasteful number, since it uses less digits than its factorization.

113506990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159947.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 113506990 is about 10653.9659282354. The cubic root of 113506990 is about 484.1807688263.

The spelling of 113506990 in words is "one hundred thirteen million, five hundred six thousand, nine hundred ninety".