90134694 has 80 divisors (see below), whose sum is σ = 219867648. Its totient is φ = 27433728.

The previous prime is 90134659. The next prime is 90134717. The reversal of 90134694 is 49643109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 267294 + ... + 267630.

Almost surely, 2^90134694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90134694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109933824).

90134694 is an abundant number, since it is smaller than the sum of its proper divisors (129732954).

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

90134694 is a wasteful number, since it uses less digits than its factorization.

90134694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 90134694 is about 9493.9293235204. The cubic root of 90134694 is about 448.3639255653.

The spelling of 90134694 in words is "ninety million, one hundred thirty-four thousand, six hundred ninety-four".