90134064 has 90 divisors (see below), whose sum is σ = 259040340. Its totient is φ = 29248704.

The previous prime is 90134053. The next prime is 90134069. The reversal of 90134064 is 46043109.

It is not an unprimeable number, because it can be changed into a prime (90134069) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 875037 + ... + 875139.

It is an arithmetic number, because the mean of its divisors is an integer number (2878226).

Almost surely, 2^90134064 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 90134064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129520170).

90134064 is an abundant number, since it is smaller than the sum of its proper divisors (168906276).

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

90134064 is a wasteful number, since it uses less digits than its factorization.

90134064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 90134064 is about 9493.8961443656. The cubic root of 90134064 is about 448.3628809438.

The spelling of 90134064 in words is "ninety million, one hundred thirty-four thousand, sixty-four".