1299992139133 has 2 divisors, whose sum is σ = 1299992139134. Its totient is φ = 1299992139132.

The previous prime is 1299992139109. The next prime is 1299992139151. The reversal of 1299992139133 is 3319312999921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782796718564 + 517195420569 = 884758^2 + 719163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1299992139133 - 2²¹ = 1299990041981 is a prime.

It is a super-3 number, since 3×1299992139133³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299992137133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649996069566 + 649996069567.

It is an arithmetic number, because the mean of its divisors is an integer number (649996069567).

Almost surely, 2^{1299992139133} is an apocalyptic number.

It is an amenable number.

1299992139133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299992139133 is an equidigital number, since it uses as much as digits as its factorization.

1299992139133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6377292, while the sum is 61.

The spelling of 1299992139133 in words is "one trillion, two hundred ninety-nine billion, nine hundred ninety-two million, one hundred thirty-nine thousand, one hundred thirty-three".