115071390 has 48 divisors (see below), whose sum is σ = 341928288. Its totient is φ = 26301888.

The previous prime is 115071373. The next prime is 115071401. The reversal of 115071390 is 93170511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90697 + ... + 91956.

It is an arithmetic number, because the mean of its divisors is an integer number (7123506).

Almost surely, 2^115071390 is an apocalyptic number.

115071390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115071390 is an abundant number, since it is smaller than the sum of its proper divisors (226856898).

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

115071390 is a wasteful number, since it uses less digits than its factorization.

115071390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182673 (or 182670 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 115071390 is about 10727.1333542564. The cubic root of 115071390 is about 486.3950199988.

The spelling of 115071390 in words is "one hundred fifteen million, seventy-one thousand, three hundred ninety".