90134312 has 16 divisors (see below), whose sum is σ = 169107360. Its totient is φ = 45039024.

The previous prime is 90134311. The next prime is 90134333. The reversal of 90134312 is 21343109.

It is not an unprimeable number, because it can be changed into a prime (90134311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17453 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (10569210).

Almost surely, 2^90134312 is an apocalyptic number.

It is an amenable number.

90134312 is a deficient number, since it is larger than the sum of its proper divisors (78973048).

90134312 is a wasteful number, since it uses less digits than its factorization.

90134312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040 (or 7036 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 90134312 is about 9493.9092053800. The cubic root of 90134312 is about 448.3632921605.

The spelling of 90134312 in words is "ninety million, one hundred thirty-four thousand, three hundred twelve".