118290140 has 24 divisors (see below), whose sum is σ = 248823792. Its totient is φ = 47237120.

The previous prime is 118290121. The next prime is 118290157. The reversal of 118290140 is 41092811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8207 + ... + 17433.

It is an arithmetic number, because the mean of its divisors is an integer number (10367658).

Almost surely, 2^118290140 is an apocalyptic number.

118290140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118290140 is an abundant number, since it is smaller than the sum of its proper divisors (130533652).

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

118290140 is a wasteful number, since it uses less digits than its factorization.

118290140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877 (or 9875 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 118290140 is about 10876.1270680330. The cubic root of 118290140 is about 490.8884893254. Note that the first 3 decimals are identical.

The spelling of 118290140 in words is "one hundred eighteen million, two hundred ninety thousand, one hundred forty".