115181406 has 16 divisors (see below), whose sum is σ = 255958800. Its totient is φ = 38393784.

The previous prime is 115181387. The next prime is 115181459. The reversal of 115181406 is 604181511.

115181406 is a `hidden beast` number, since 1 + 1 + 518 + 140 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115181406.

It is a congruent number.

It is an unprimeable number.

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, 1066441 + ... + 1066548.

It is an arithmetic number, because the mean of its divisors is an integer number (15997425).

Almost surely, 2^115181406 is an apocalyptic number.

115181406 is an abundant number, since it is smaller than the sum of its proper divisors (140777394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115181406 is a wasteful number, since it uses less digits than its factorization.

115181406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133000 (or 2132994 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 115181406 is about 10732.2600602110. The cubic root of 115181406 is about 486.5499794262.

The spelling of 115181406 in words is "one hundred fifteen million, one hundred eighty-one thousand, four hundred six".