814031090 has 8 divisors (see below), whose sum is σ = 1465255980. Its totient is φ = 325612432.

The previous prime is 814031087. The next prime is 814031123. The reversal of 814031090 is 90130418.

It can be written as a sum of positive squares in 2 ways, for example, as 813219289 + 811801 = 28517^2 + 901^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40701545 + ... + 40701564.

Almost surely, 2^814031090 is an apocalyptic number.

814031090 is a deficient number, since it is larger than the sum of its proper divisors (651224890).

814031090 is a wasteful number, since it uses less digits than its factorization.

814031090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81403116.

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

The square root of 814031090 is about 28531.2300821398. The cubic root of 814031090 is about 933.7135558261.

The spelling of 814031090 in words is "eight hundred fourteen million, thirty-one thousand, ninety".