158871738 has 8 divisors (see below), whose sum is σ = 317743488. Its totient is φ = 52957244.

The previous prime is 158871721. The next prime is 158871743. The reversal of 158871738 is 837178851.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

158871738 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 13239306 + ... + 13239317.

It is an arithmetic number, because the mean of its divisors is an integer number (39717936).

Almost surely, 2^158871738 is an apocalyptic number.

158871738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158871738 is a wasteful number, since it uses less digits than its factorization.

158871738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26478628.

The product of its digits is 376320, while the sum is 48.

The square root of 158871738 is about 12604.4332677039. The cubic root of 158871738 is about 541.6044394419.

The spelling of 158871738 in words is "one hundred fifty-eight million, eight hundred seventy-one thousand, seven hundred thirty-eight".