115133040 has 120 divisors (see below), whose sum is σ = 421834608. Its totient is φ = 27909120.

The previous prime is 115133023. The next prime is 115133063. The reversal of 115133040 is 40331511.

115133040 = T₂₀ + T₂₁ + ... + T₈₈₃.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×115133040³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 652 + ... + 15188.

Almost surely, 2^115133040 is an apocalyptic number.

115133040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115133040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210917304).

115133040 is an abundant number, since it is smaller than the sum of its proper divisors (306701568).

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

115133040 is a wasteful number, since it uses less digits than its factorization.

115133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14567 (or 14558 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115133040 is about 10730.0065237632. The cubic root of 115133040 is about 486.4818672434.

Adding to 115133040 its reverse (40331511), we get a palindrome (155464551).

It can be divided in two parts, 1151 and 33040, that added together give a triangular number (34191 = T₂₆₁).

The spelling of 115133040 in words is "one hundred fifteen million, one hundred thirty-three thousand, forty".