87135158 has 8 divisors (see below), whose sum is σ = 142584840. Its totient is φ = 39606880.

The previous prime is 87135137. The next prime is 87135161. The reversal of 87135158 is 85153178.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980323 + ... + 1980366.

It is an arithmetic number, because the mean of its divisors is an integer number (17823105).

Almost surely, 2^87135158 is an apocalyptic number.

87135158 is a deficient number, since it is larger than the sum of its proper divisors (55449682).

87135158 is a wasteful number, since it uses less digits than its factorization.

87135158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960702.

The product of its digits is 33600, while the sum is 38.

The square root of 87135158 is about 9334.6214706329. The cubic root of 87135158 is about 443.3341038045.

The spelling of 87135158 in words is "eighty-seven million, one hundred thirty-five thousand, one hundred fifty-eight".