113180506 has 8 divisors (see below), whose sum is σ = 170012340. Its totient is φ = 56509728.

The previous prime is 113180503. The next prime is 113180519. The reversal of 113180506 is 605081311.

It can be written as a sum of positive squares in 2 ways, for example, as 88529281 + 24651225 = 9409^2 + 4965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (113180503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38491 + ... + 41326.

Almost surely, 2^113180506 is an apocalyptic number.

113180506 is a deficient number, since it is larger than the sum of its proper divisors (56831834).

113180506 is an equidigital number, since it uses as much as digits as its factorization.

113180506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80528.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 113180506 is about 10638.6327129007. The cubic root of 113180506 is about 483.7161011796.

The spelling of 113180506 in words is "one hundred thirteen million, one hundred eighty thousand, five hundred six".