1313401545 has 48 divisors (see below), whose sum is σ = 2404321920. Its totient is φ = 661909248.

The previous prime is 1313401519. The next prime is 1313401547. The reversal of 1313401545 is 5451043131.

It is a happy number.

It is not a de Polignac number, because 1313401545 - 2¹⁶ = 1313336009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313401547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78261 + ... + 93549.

It is an arithmetic number, because the mean of its divisors is an integer number (50090040).

Almost surely, 2^1313401545 is an apocalyptic number.

1313401545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313401545 is a deficient number, since it is larger than the sum of its proper divisors (1090920375).

1313401545 is a wasteful number, since it uses less digits than its factorization.

1313401545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15406 (or 15403 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1313401545 is about 36240.8822326389. The cubic root of 1313401545 is about 1095.1304154420.

Adding to 1313401545 its reverse (5451043131), we get a palindrome (6764444676).

The spelling of 1313401545 in words is "one billion, three hundred thirteen million, four hundred one thousand, five hundred forty-five".