1275077321136 has 80 divisors (see below), whose sum is σ = 3660091989120. Its totient is φ = 425008607040.

The previous prime is 1275077321113. The next prime is 1275077321153. The reversal of 1275077321136 is 6311237705721.

1275077321136 is a `hidden beast` number, since 1 + 2 + 7 + 507 + 7 + 3 + 2 + 1 + 136 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1275077321091 and 1275077321100.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15113791 + ... + 15197921.

It is an arithmetic number, because the mean of its divisors is an integer number (45751149864).

Almost surely, 2^{1275077321136} is an apocalyptic number.

1275077321136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1275077321136 is an abundant number, since it is smaller than the sum of its proper divisors (2385014667984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275077321136 is a wasteful number, since it uses less digits than its factorization.

1275077321136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119231 (or 119219 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 1275077321136 in words is "one trillion, two hundred seventy-five billion, seventy-seven million, three hundred twenty-one thousand, one hundred thirty-six".