1313513254 has 8 divisors (see below), whose sum is σ = 1978950168. Its totient is φ = 653863200.

The previous prime is 1313513251. The next prime is 1313513287. The reversal of 1313513254 is 4523153131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313513251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446147 + ... + 1447054.

It is an arithmetic number, because the mean of its divisors is an integer number (247368771).

Almost surely, 2^1313513254 is an apocalyptic number.

1313513254 is a deficient number, since it is larger than the sum of its proper divisors (665436914).

1313513254 is a wasteful number, since it uses less digits than its factorization.

1313513254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893430.

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

The square root of 1313513254 is about 36242.4234013124. The cubic root of 1313513254 is about 1095.1614626760.

Adding to 1313513254 its reverse (4523153131), we get a palindrome (5836666385).

The spelling of 1313513254 in words is "one billion, three hundred thirteen million, five hundred thirteen thousand, two hundred fifty-four".