1316137553 has 2 divisors, whose sum is σ = 1316137554. Its totient is φ = 1316137552.

The previous prime is 1316137549. The next prime is 1316137561. The reversal of 1316137553 is 3557316131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1314570049 + 1567504 = 36257^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316137553 - 2² = 1316137549 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316137573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658068776 + 658068777.

It is an arithmetic number, because the mean of its divisors is an integer number (658068777).

Almost surely, 2^1316137553 is an apocalyptic number.

It is an amenable number.

1316137553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316137553 is an equidigital number, since it uses as much as digits as its factorization.

1316137553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 1316137553 is about 36278.6101304887. The cubic root of 1316137553 is about 1095.8903270943.

The spelling of 1316137553 in words is "one billion, three hundred sixteen million, one hundred thirty-seven thousand, five hundred fifty-three".