118513780 has 96 divisors (see below), whose sum is σ = 318028032. Its totient is φ = 36019200.

The previous prime is 118513771. The next prime is 118513793. The reversal of 118513780 is 87315811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62202 + ... + 64078.

It is an arithmetic number, because the mean of its divisors is an integer number (3312792).

Almost surely, 2^118513780 is an apocalyptic number.

118513780 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 118513780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159014016).

118513780 is an abundant number, since it is smaller than the sum of its proper divisors (199514252).

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

118513780 is a wasteful number, since it uses less digits than its factorization.

118513780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 118513780 is about 10886.4034465015. The cubic root of 118513780 is about 491.1976534122.

The spelling of 118513780 in words is "one hundred eighteen million, five hundred thirteen thousand, seven hundred eighty".