115396740 has 36 divisors (see below), whose sum is σ = 350037324. Its totient is φ = 30772416.

The previous prime is 115396739. The next prime is 115396769. The reversal of 115396740 is 47693511.

It can be written as a sum of positive squares in 2 ways, for example, as 15116544 + 100280196 = 3888^2 + 10014^2 .

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 = 115396695 and 115396704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320367 + ... + 320726.

It is an arithmetic number, because the mean of its divisors is an integer number (9723259).

Almost surely, 2^115396740 is an apocalyptic number.

115396740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115396740 is an abundant number, since it is smaller than the sum of its proper divisors (234640584).

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

115396740 is a wasteful number, since it uses less digits than its factorization.

115396740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641108 (or 641103 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 115396740 is about 10742.2874658985. The cubic root of 115396740 is about 486.8529957268.

The spelling of 115396740 in words is "one hundred fifteen million, three hundred ninety-six thousand, seven hundred forty".