115613906 has 8 divisors (see below), whose sum is σ = 183622140. Its totient is φ = 54406528.

The previous prime is 115613903. The next prime is 115613909. The reversal of 115613906 is 609316511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115613903) and next prime (115613909).

It can be written as a sum of positive squares in 2 ways, for example, as 114682681 + 931225 = 10709^2 + 965^2 .

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 (115613903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700171 + ... + 1700238.

Almost surely, 2^115613906 is an apocalyptic number.

115613906 is a deficient number, since it is larger than the sum of its proper divisors (68008234).

115613906 is a wasteful number, since it uses less digits than its factorization.

115613906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400428.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 115613906 is about 10752.3907109070. The cubic root of 115613906 is about 487.1582084608.

The spelling of 115613906 in words is "one hundred fifteen million, six hundred thirteen thousand, nine hundred six".