118992538 has 16 divisors (see below), whose sum is σ = 204408000. Its totient is φ = 50891616.

The previous prime is 118992529. The next prime is 118992551. The reversal of 118992538 is 835299811.

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, 1531 + ... + 15502.

It is an arithmetic number, because the mean of its divisors is an integer number (12775500).

Almost surely, 2^118992538 is an apocalyptic number.

118992538 is a deficient number, since it is larger than the sum of its proper divisors (85415462).

118992538 is a wasteful number, since it uses less digits than its factorization.

118992538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17541.

The product of its digits is 155520, while the sum is 46.

The square root of 118992538 is about 10908.3700890646. The cubic root of 118992538 is about 491.8581922154.

The spelling of 118992538 in words is "one hundred eighteen million, nine hundred ninety-two thousand, five hundred thirty-eight".