118513890 has 96 divisors (see below), whose sum is σ = 342014400. Its totient is φ = 28229760.

The previous prime is 118513873. The next prime is 118513933. The reversal of 118513890 is 98315811.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57396 + ... + 59424.

It is an arithmetic number, because the mean of its divisors is an integer number (3562650).

Almost surely, 2^118513890 is an apocalyptic number.

118513890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118513890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171007200).

118513890 is an abundant number, since it is smaller than the sum of its proper divisors (223500510).

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

118513890 is a wasteful number, since it uses less digits than its factorization.

118513890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 118513890 is about 10886.4084986739. The cubic root of 118513890 is about 491.1978053825.

The spelling of 118513890 in words is "one hundred eighteen million, five hundred thirteen thousand, eight hundred ninety".