814090751 has 4 divisors (see below), whose sum is σ = 814500000. Its totient is φ = 813681504.

The previous prime is 814090733. The next prime is 814090763. The reversal of 814090751 is 157090418.

814090751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157090418 = 2 ⋅78545209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814090751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814090051) 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, 201626 + ... + 205623.

It is an arithmetic number, because the mean of its divisors is an integer number (203625000).

Almost surely, 2^814090751 is an apocalyptic number.

814090751 is a deficient number, since it is larger than the sum of its proper divisors (409249).

814090751 is a wasteful number, since it uses less digits than its factorization.

814090751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409248.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 814090751 is about 28532.2756015008. The cubic root of 814090751 is about 933.7363661439.

The spelling of 814090751 in words is "eight hundred fourteen million, ninety thousand, seven hundred fifty-one".