8132140791 has 24 divisors (see below), whose sum is σ = 12565635264. Its totient is φ = 5049907200.

The previous prime is 8132140781. The next prime is 8132140823. The reversal of 8132140791 is 1970412318.

It is a happy number.

It is not a de Polignac number, because 8132140791 - 2⁵ = 8132140759 is a prime.

It is a super-2 number, since 2×8132140791² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8132140741) 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, 259135 + ... + 288816.

It is an arithmetic number, because the mean of its divisors is an integer number (523568136).

Almost surely, 2^8132140791 is an apocalyptic number.

8132140791 is a deficient number, since it is larger than the sum of its proper divisors (4433494473).

8132140791 is a wasteful number, since it uses less digits than its factorization.

8132140791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548071 (or 548068 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 8132140791 is about 90178.3831691387. The cubic root of 8132140791 is about 2010.9516537627.

The spelling of 8132140791 in words is "eight billion, one hundred thirty-two million, one hundred forty thousand, seven hundred ninety-one".