1306262135325 has 72 divisors (see below), whose sum is σ = 2516094063840. Its totient is φ = 596243894400.

The previous prime is 1306262135323. The next prime is 1306262135359. The reversal of 1306262135325 is 5235312626031.

It is not a de Polignac number, because 1306262135325 - 2¹ = 1306262135323 is a prime.

It is a super-2 number, since 2×1306262135325² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306262135323) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2160306 + ... + 2698044.

Almost surely, 2^{1306262135325} is an apocalyptic number.

1306262135325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1306262135325 is a deficient number, since it is larger than the sum of its proper divisors (1209831928515).

1306262135325 is a wasteful number, since it uses less digits than its factorization.

1306262135325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538427 (or 538415 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 1306262135325 in words is "one trillion, three hundred six billion, two hundred sixty-two million, one hundred thirty-five thousand, three hundred twenty-five".