113187507 has 8 divisors (see below), whose sum is σ = 151037376. Its totient is φ = 75397992.

The previous prime is 113187491. The next prime is 113187521. The reversal of 113187507 is 705781311.

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

It is not a de Polignac number, because 113187507 - 2⁴ = 113187491 is a prime.

It is a super-2 number, since 2×113187507² = 25622823481750098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113187587) 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, 10513 + ... + 18354.

It is an arithmetic number, because the mean of its divisors is an integer number (18879672).

Almost surely, 2^113187507 is an apocalyptic number.

113187507 is a deficient number, since it is larger than the sum of its proper divisors (37849869).

113187507 is a wasteful number, since it uses less digits than its factorization.

113187507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30177.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 113187507 is about 10638.9617444561. The cubic root of 113187507 is about 483.7260747069.

The spelling of 113187507 in words is "one hundred thirteen million, one hundred eighty-seven thousand, five hundred seven".