1276832140533 has 32 divisors (see below), whose sum is σ = 1991264025600. Its totient is φ = 806378668848.

The previous prime is 1276832140477. The next prime is 1276832140553. The reversal of 1276832140533 is 3350412386721.

1276832140533 is a `hidden beast` number, since 1 + 2 + 76 + 8 + 3 + 2 + 1 + 40 + 533 = 666.

It is not a de Polignac number, because 1276832140533 - 2⁹ = 1276832140021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276832140553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12140110 + ... + 12244832.

It is an arithmetic number, because the mean of its divisors is an integer number (62227000800).

Almost surely, 2^{1276832140533} is an apocalyptic number.

It is an amenable number.

1276832140533 is a deficient number, since it is larger than the sum of its proper divisors (714431885067).

1276832140533 is a wasteful number, since it uses less digits than its factorization.

1276832140533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128518 (or 128512 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 1276832140533 in words is "one trillion, two hundred seventy-six billion, eight hundred thirty-two million, one hundred forty thousand, five hundred thirty-three".