158118938 has 16 divisors (see below), whose sum is σ = 255389760. Its totient is φ = 73146816.

The previous prime is 158118923. The next prime is 158118953. The reversal of 158118938 is 839811851.

It is a happy number.

158118938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158118923) and next prime (158118953).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37406 + ... + 41417.

It is an arithmetic number, because the mean of its divisors is an integer number (15961860).

Almost surely, 2^158118938 is an apocalyptic number.

158118938 is a deficient number, since it is larger than the sum of its proper divisors (97270822).

158118938 is a wasteful number, since it uses less digits than its factorization.

158118938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78901.

The product of its digits is 69120, while the sum is 44.

The square root of 158118938 is about 12574.5352995648. The cubic root of 158118938 is about 540.7476361080.

The spelling of 158118938 in words is "one hundred fifty-eight million, one hundred eighteen thousand, nine hundred thirty-eight".