88135432 has 48 divisors (see below), whose sum is σ = 207607680. Its totient is φ = 34335840.

The previous prime is 88135427. The next prime is 88135441. The reversal of 88135432 is 23453188.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273 + ... + 13279.

It is an arithmetic number, because the mean of its divisors is an integer number (4325160).

Almost surely, 2^88135432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88135432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103803840).

88135432 is an abundant number, since it is smaller than the sum of its proper divisors (119472248).

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

88135432 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (88135431) it forms an eRAP, since the sums of their prime factors are consecutive (13041 and 13042).

88135432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13042 (or 13027 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 88135432 is about 9388.0472942993. The cubic root of 88135432 is about 445.0240815146.

The spelling of 88135432 in words is "eighty-eight million, one hundred thirty-five thousand, four hundred thirty-two".