764123133 has 16 divisors (see below), whose sum is σ = 1095275520. Its totient is φ = 472334256.

The previous prime is 764123119. The next prime is 764123137. The reversal of 764123133 is 331321467.

It is not a de Polignac number, because 764123133 - 2⁶ = 764123069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 764123133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764123137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139935 + ... + 145292.

It is an arithmetic number, because the mean of its divisors is an integer number (68454720).

Almost surely, 2^764123133 is an apocalyptic number.

It is an amenable number.

764123133 is a deficient number, since it is larger than the sum of its proper divisors (331152387).

764123133 is a wasteful number, since it uses less digits than its factorization.

764123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285296.

The product of its digits is 9072, while the sum is 30.

The square root of 764123133 is about 27642.7772302278. Note that the first 3 decimals coincide. The cubic root of 764123133 is about 914.2278546660.

The spelling of 764123133 in words is "seven hundred sixty-four million, one hundred twenty-three thousand, one hundred thirty-three".