840766574133 has 24 divisors (see below), whose sum is σ = 1219879422528. Its totient is φ = 558003382272.

The previous prime is 840766574057. The next prime is 840766574147. The reversal of 840766574133 is 331475667048.

It is a happy number.

840766574133 is a `hidden beast` number, since 8 + 4 + 0 + 7 + 66 + 574 + 1 + 3 + 3 = 666.

It is not a de Polignac number, because 840766574133 - 2⁸ = 840766573877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 840766574133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840766574033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3879816 + ... + 4090782.

It is an arithmetic number, because the mean of its divisors is an integer number (50828309272).

Almost surely, 2^840766574133 is an apocalyptic number.

It is an amenable number.

840766574133 is a deficient number, since it is larger than the sum of its proper divisors (379112848395).

840766574133 is a wasteful number, since it uses less digits than its factorization.

840766574133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212953 (or 212950 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 840766574133 in words is "eight hundred forty billion, seven hundred sixty-six million, five hundred seventy-four thousand, one hundred thirty-three".