1312545455 has 8 divisors (see below), whose sum is σ = 1696212672. Its totient is φ = 969264288.

The previous prime is 1312545449. The next prime is 1312545557. The reversal of 1312545455 is 5545452131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312545455 - 2¹⁸ = 1312283311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10096439 + ... + 10096568.

It is an arithmetic number, because the mean of its divisors is an integer number (212026584).

Almost surely, 2^1312545455 is an apocalyptic number.

1312545455 is a deficient number, since it is larger than the sum of its proper divisors (383667217).

1312545455 is a wasteful number, since it uses less digits than its factorization.

1312545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20193025.

The product of its digits is 60000, while the sum is 35.

The square root of 1312545455 is about 36229.0691986421. The cubic root of 1312545455 is about 1094.8924242573.

Adding to 1312545455 its reverse (5545452131), we get a palindrome (6857997586).

The spelling of 1312545455 in words is "one billion, three hundred twelve million, five hundred forty-five thousand, four hundred fifty-five".