90097135 has 4 divisors (see below), whose sum is σ = 108116568. Its totient is φ = 72077704.

The previous prime is 90097121. The next prime is 90097157. The reversal of 90097135 is 53179009.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90097135 - 2⁹ = 90096623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90097135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9009709 + ... + 9009718.

It is an arithmetic number, because the mean of its divisors is an integer number (27029142).

Almost surely, 2^90097135 is an apocalyptic number.

90097135 is a deficient number, since it is larger than the sum of its proper divisors (18019433).

90097135 is a wasteful number, since it uses less digits than its factorization.

90097135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18019432.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 90097135 is about 9491.9510639278. The cubic root of 90097135 is about 448.3016393743.

The spelling of 90097135 in words is "ninety million, ninety-seven thousand, one hundred thirty-five".