87130156 has 12 divisors (see below), whose sum is σ = 152635392. Its totient is φ = 43520048.

The previous prime is 87130139. The next prime is 87130157. The reversal of 87130156 is 65103178.

It is not an unprimeable number, because it can be changed into a prime (87130157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700 + ... + 14803.

It is an arithmetic number, because the mean of its divisors is an integer number (12719616).

Almost surely, 2^87130156 is an apocalyptic number.

It is an amenable number.

87130156 is a deficient number, since it is larger than the sum of its proper divisors (65505236).

87130156 is a wasteful number, since it uses less digits than its factorization.

87130156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22520 (or 22518 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 87130156 is about 9334.3535394798. The cubic root of 87130156 is about 443.3256204335.

The spelling of 87130156 in words is "eighty-seven million, one hundred thirty thousand, one hundred fifty-six".