113147815 has 8 divisors (see below), whose sum is σ = 148120848. Its totient is φ = 82289280.

The previous prime is 113147809. The next prime is 113147819. The reversal of 113147815 is 518741311.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-113147815 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113147819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028562 + ... + 1028671.

It is an arithmetic number, because the mean of its divisors is an integer number (18515106).

Almost surely, 2^113147815 is an apocalyptic number.

113147815 is a deficient number, since it is larger than the sum of its proper divisors (34973033).

113147815 is a wasteful number, since it uses less digits than its factorization.

113147815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057249.

The product of its digits is 3360, while the sum is 31.

The square root of 113147815 is about 10637.0961732984. The cubic root of 113147815 is about 483.6695245904.

The spelling of 113147815 in words is "one hundred thirteen million, one hundred forty-seven thousand, eight hundred fifteen".