115196940 has 36 divisors (see below), whose sum is σ = 349431264. Its totient is φ = 30719136.

The previous prime is 115196923. The next prime is 115196959. The reversal of 115196940 is 49691511.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 115196895 and 115196904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319812 + ... + 320171.

It is an arithmetic number, because the mean of its divisors is an integer number (9706424).

Almost surely, 2^115196940 is an apocalyptic number.

115196940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115196940 is an abundant number, since it is smaller than the sum of its proper divisors (234234324).

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

115196940 is a wasteful number, since it uses less digits than its factorization.

115196940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639998 (or 639993 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 115196940 is about 10732.9837417188. The cubic root of 115196940 is about 486.5718513813.

The spelling of 115196940 in words is "one hundred fifteen million, one hundred ninety-six thousand, nine hundred forty".