88138260 has 144 divisors (see below), whose sum is σ = 319072320. Its totient is φ = 20139840.

The previous prime is 88138249. The next prime is 88138291. The reversal of 88138260 is 6283188.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24795 + ... + 28125.

It is an arithmetic number, because the mean of its divisors is an integer number (2215780).

Almost surely, 2^88138260 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 88138260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159536160).

88138260 is an abundant number, since it is smaller than the sum of its proper divisors (230934060).

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

88138260 is a wasteful number, since it uses less digits than its factorization.

88138260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 88138260 is about 9388.1979101423. The cubic root of 88138260 is about 445.0288412902.

The spelling of 88138260 in words is "eighty-eight million, one hundred thirty-eight thousand, two hundred sixty".