1306456145403 has 32 divisors (see below), whose sum is σ = 1787785136640. Its totient is φ = 848297049600.

The previous prime is 1306456145389. The next prime is 1306456145413. The reversal of 1306456145403 is 3045416546031.

It is a happy number.

It is not a de Polignac number, because 1306456145403 - 2¹² = 1306456141307 is a prime.

It is a super-2 number, since 2×1306456145403² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1306456145413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36547843 + ... + 36583571.

It is an arithmetic number, because the mean of its divisors is an integer number (55868285520).

Almost surely, 2^{1306456145403} is an apocalyptic number.

1306456145403 is a deficient number, since it is larger than the sum of its proper divisors (481328991237).

1306456145403 is a wasteful number, since it uses less digits than its factorization.

1306456145403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37459.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1306456145403 in words is "one trillion, three hundred six billion, four hundred fifty-six million, one hundred forty-five thousand, four hundred three".