1297076136400 has 60 divisors (see below), whose sum is σ = 3399518649024. Its totient is φ = 471664048000.

The previous prime is 1297076136371. The next prime is 1297076136431. The reversal of 1297076136400 is 46316707921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147390616 + ... + 147399415.

Almost surely, 2^{1297076136400} is an apocalyptic number.

1297076136400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1297076136400 is an abundant number, since it is smaller than the sum of its proper divisors (2102442512624).

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

1297076136400 is a wasteful number, since it uses less digits than its factorization.

1297076136400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294790060 (or 294790049 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 1297076136400 in words is "one trillion, two hundred ninety-seven billion, seventy-six million, one hundred thirty-six thousand, four hundred".