90813790045139 has 32 divisors (see below), whose sum is σ = 105778646937600. Its totient is φ = 76359581176320.

The previous prime is 90813790045117. The next prime is 90813790045183. The reversal of 90813790045139 is 93154009731809.

It is a cyclic number.

It is not a de Polignac number, because 90813790045139 - 2²⁸ = 90813521609683 is a prime.

It is a super-3 number, since 3×90813790045139³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (90813790045639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379465954 + ... + 1379531784.

It is an arithmetic number, because the mean of its divisors is an integer number (3305582716800).

Almost surely, 2^{90813790045139} is an apocalyptic number.

90813790045139 is a deficient number, since it is larger than the sum of its proper divisors (14964856892461).

90813790045139 is a wasteful number, since it uses less digits than its factorization.

90813790045139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81963.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 90813790045139 in words is "ninety trillion, eight hundred thirteen billion, seven hundred ninety million, forty-five thousand, one hundred thirty-nine".