1330855255129 has 9 divisors (see below), whose sum is σ = 1353863684383. Its totient is φ = 1308231476032.

The previous prime is 1330855255087. The next prime is 1330855255133. The reversal of 1330855255129 is 9215525580331.

The square root of 1330855255129 is 1153627.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1125965043225 + 204890211904 = 1061115^2 + 452648^2 .

It is not a de Polignac number, because 1330855255129 - 2⁷ = 1330855255001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330855250129) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 68054217 + ... + 68073769.

Almost surely, 2^{1330855255129} is an apocalyptic number.

1330855255129 is the 1153627-th square number.

1330855255129 is the 576814-th centered octagonal number.

It is an amenable number.

1330855255129 is a deficient number, since it is larger than the sum of its proper divisors (23008429254).

1330855255129 is an frugal number, since it uses more digits than its factorization.

1330855255129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39224 (or 19612 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 49.

Multiplying 1330855255129 by its sum of digits (49), we get a square (65211907501321 = 8075389²).

The spelling of 1330855255129 in words is "one trillion, three hundred thirty billion, eight hundred fifty-five million, two hundred fifty-five thousand, one hundred twenty-nine".