90135776045 has 8 divisors (see below), whose sum is σ = 123614778624. Its totient is φ = 61807389264.

The previous prime is 90135776039. The next prime is 90135776051. The reversal of 90135776045 is 54067753109.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90135776039) and next prime (90135776051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90135776045 - 2⁸ = 90135775789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287653909 + ... + 1287653978.

It is an arithmetic number, because the mean of its divisors is an integer number (15451847328).

Almost surely, 2^90135776045 is an apocalyptic number.

It is an amenable number.

90135776045 is a deficient number, since it is larger than the sum of its proper divisors (33479002579).

90135776045 is a wasteful number, since it uses less digits than its factorization.

90135776045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575307899.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 90135776045 in words is "ninety billion, one hundred thirty-five million, seven hundred seventy-six thousand, forty-five".