1306134656603 has 32 divisors (see below), whose sum is σ = 1517821493760. Its totient is φ = 1100889273600.

The previous prime is 1306134656591. The next prime is 1306134656609. The reversal of 1306134656603 is 3066564316031.

It is a cyclic number.

It is not a de Polignac number, because 1306134656603 - 2²⁴ = 1306117879387 is a prime.

It is a super-3 number, since 3×1306134656603³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306134656609) 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, 108449900 + ... + 108461942.

It is an arithmetic number, because the mean of its divisors is an integer number (47431921680).

Almost surely, 2^{1306134656603} is an apocalyptic number.

1306134656603 is a deficient number, since it is larger than the sum of its proper divisors (211686837157).

1306134656603 is a wasteful number, since it uses less digits than its factorization.

1306134656603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13187.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 1306134656603 in words is "one trillion, three hundred six billion, one hundred thirty-four million, six hundred fifty-six thousand, six hundred three".