90130841 has 4 divisors (see below), whose sum is σ = 90171684. Its totient is φ = 90090000.

The previous prime is 90130801. The next prime is 90130847. The reversal of 90130841 is 14803109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14803109 = 19 ⋅779111.

It can be written as a sum of positive squares in 2 ways, for example, as 64080025 + 26050816 = 8005^2 + 5104^2 .

It is a cyclic number.

It is not a de Polignac number, because 90130841 - 2¹⁴ = 90114457 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 90130841.

It is not an unprimeable number, because it can be changed into a prime (90130847) 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, 16910 + ... + 21591.

It is an arithmetic number, because the mean of its divisors is an integer number (22542921).

Almost surely, 2^90130841 is an apocalyptic number.

It is an amenable number.

90130841 is a deficient number, since it is larger than the sum of its proper divisors (40843).

90130841 is a wasteful number, since it uses less digits than its factorization.

90130841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40842.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 90130841 is about 9493.7264022090. The cubic root of 90130841 is about 448.3575367164.

The spelling of 90130841 in words is "ninety million, one hundred thirty thousand, eight hundred forty-one".