1313254155 has 16 divisors (see below), whose sum is σ = 2136821760. Its totient is φ = 688530528.

The previous prime is 1313254153. The next prime is 1313254181. The reversal of 1313254155 is 5514523131.

It is not a de Polignac number, because 1313254155 - 2¹ = 1313254153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313254153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741067 + ... + 742836.

It is an arithmetic number, because the mean of its divisors is an integer number (133551360).

Almost surely, 2^1313254155 is an apocalyptic number.

1313254155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313254155 is a deficient number, since it is larger than the sum of its proper divisors (823567605).

1313254155 is a wasteful number, since it uses less digits than its factorization.

1313254155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483970.

The product of its digits is 9000, while the sum is 30.

The square root of 1313254155 is about 36238.8486985997. The cubic root of 1313254155 is about 1095.0894487092.

Adding to 1313254155 its reverse (5514523131), we get a palindrome (6827777286).

The spelling of 1313254155 in words is "one billion, three hundred thirteen million, two hundred fifty-four thousand, one hundred fifty-five".