90134793 has 12 divisors (see below), whose sum is σ = 148794048. Its totient is φ = 51505560.

The previous prime is 90134777. The next prime is 90134797. The reversal of 90134793 is 39743109.

It is not a de Polignac number, because 90134793 - 2⁴ = 90134777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90134797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715293 + ... + 715418.

It is an arithmetic number, because the mean of its divisors is an integer number (12399504).

Almost surely, 2^90134793 is an apocalyptic number.

It is an amenable number.

90134793 is a deficient number, since it is larger than the sum of its proper divisors (58659255).

90134793 is a wasteful number, since it uses less digits than its factorization.

90134793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430724 (or 1430721 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 90134793 is about 9493.9345373770. The cubic root of 90134793 is about 448.3640897197.

The spelling of 90134793 in words is "ninety million, one hundred thirty-four thousand, seven hundred ninety-three".