87136153 has 8 divisors (see below), whose sum is σ = 93933896. Its totient is φ = 80352000.

The previous prime is 87136151. The next prime is 87136163. The reversal of 87136153 is 35163178.

It can be written as a sum of positive squares in 4 ways, for example, as 6190144 + 80946009 = 2488^2 + 8997^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 87136153 - 2¹ = 87136151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87136151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12823 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (11741737).

Almost surely, 2^87136153 is an apocalyptic number.

It is an amenable number.

87136153 is a deficient number, since it is larger than the sum of its proper divisors (6797743).

87136153 is a wasteful number, since it uses less digits than its factorization.

87136153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795.

The product of its digits is 15120, while the sum is 34.

The square root of 87136153 is about 9334.6747666965. The cubic root of 87136153 is about 443.3357912817.

The spelling of 87136153 in words is "eighty-seven million, one hundred thirty-six thousand, one hundred fifty-three".