1312134553 has 2 divisors, whose sum is σ = 1312134554. Its totient is φ = 1312134552.

The previous prime is 1312134529. The next prime is 1312134569. The reversal of 1312134553 is 3554312131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1191837529 + 120297024 = 34523^2 + 10968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312134553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312134353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656067276 + 656067277.

It is an arithmetic number, because the mean of its divisors is an integer number (656067277).

Almost surely, 2^1312134553 is an apocalyptic number.

It is an amenable number.

1312134553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312134553 is an equidigital number, since it uses as much as digits as its factorization.

1312134553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 1312134553 is about 36223.3978665724. The cubic root of 1312134553 is about 1094.7781576261.

Adding to 1312134553 its reverse (3554312131), we get a palindrome (4866446684).

It can be divided in two parts, 13121 and 34553, that added together give a palindrome (47674).

The spelling of 1312134553 in words is "one billion, three hundred twelve million, one hundred thirty-four thousand, five hundred fifty-three".