90131360 has 96 divisors (see below), whose sum is σ = 235472832. Its totient is φ = 32327680.

The previous prime is 90131351. The next prime is 90131381. The reversal of 90131360 is 6313109.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145772 + ... + 146388.

It is an arithmetic number, because the mean of its divisors is an integer number (2452842).

Almost surely, 2^90131360 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 90131360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117736416).

90131360 is an abundant number, since it is smaller than the sum of its proper divisors (145341472).

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

90131360 is a wasteful number, since it uses less digits than its factorization.

90131360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 90131360 is about 9493.7537360098. The cubic root of 90131360 is about 448.3583973065.

Adding to 90131360 its reverse (6313109), we get a palindrome (96444469).

The spelling of 90131360 in words is "ninety million, one hundred thirty-one thousand, three hundred sixty".