88134581 has 4 divisors (see below), whose sum is σ = 90977664. Its totient is φ = 85291500.

The previous prime is 88134577. The next prime is 88134637. The reversal of 88134581 is 18543188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88134581 - 2² = 88134577 is a prime.

It is a super-2 number, since 2×88134581² = 15535408736091122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88134881) by changing a digit.

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, 1421495 + ... + 1421556.

It is an arithmetic number, because the mean of its divisors is an integer number (22744416).

Almost surely, 2^88134581 is an apocalyptic number.

It is an amenable number.

88134581 is a deficient number, since it is larger than the sum of its proper divisors (2843083).

88134581 is a wasteful number, since it uses less digits than its factorization.

88134581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843082.

The product of its digits is 30720, while the sum is 38.

The square root of 88134581 is about 9388.0019706006. The cubic root of 88134581 is about 445.0226491860.

The spelling of 88134581 in words is "eighty-eight million, one hundred thirty-four thousand, five hundred eighty-one".