1313169453 has 12 divisors (see below), whose sum is σ = 1899610908. Its totient is φ = 874149120.

The previous prime is 1313169449. The next prime is 1313169461. The reversal of 1313169453 is 3549613131.

It is a happy number.

1313169453 is a `hidden beast` number, since 13 + 131 + 69 + 453 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1306605609 + 6563844 = 36147^2 + 2562^2 .

It is not a de Polignac number, because 1313169453 - 2² = 1313169449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313169463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101668 + ... + 113853.

It is an arithmetic number, because the mean of its divisors is an integer number (158300909).

Almost surely, 2^1313169453 is an apocalyptic number.

It is an amenable number.

1313169453 is a deficient number, since it is larger than the sum of its proper divisors (586441455).

1313169453 is a wasteful number, since it uses less digits than its factorization.

1313169453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216204 (or 216201 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 1313169453 is about 36237.6800168002. The cubic root of 1313169453 is about 1095.0659045840.

The spelling of 1313169453 in words is "one billion, three hundred thirteen million, one hundred sixty-nine thousand, four hundred fifty-three".