1313545152 has 28 divisors (see below), whose sum is σ = 3475422056. Its totient is φ = 437848320.

The previous prime is 1313545081. The next prime is 1313545159. The reversal of 1313545152 is 2515453131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313545159) 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, 3420499 + ... + 3420882.

Almost surely, 2^1313545152 is an apocalyptic number.

1313545152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313545152 is an abundant number, since it is smaller than the sum of its proper divisors (2161876904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313545152 is an equidigital number, since it uses as much as digits as its factorization.

1313545152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841396 (or 6841386 counting only the distinct ones).

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

The square root of 1313545152 is about 36242.8634630323. The cubic root of 1313545152 is about 1095.1703277502.

Adding to 1313545152 its reverse (2515453131), we get a palindrome (3828998283).

The spelling of 1313545152 in words is "one billion, three hundred thirteen million, five hundred forty-five thousand, one hundred fifty-two".