1313215134 has 64 divisors (see below), whose sum is σ = 3446876160. Its totient is φ = 323140320.

The previous prime is 1313215121. The next prime is 1313215151. The reversal of 1313215134 is 4315123131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66024 + ... + 83579.

It is an arithmetic number, because the mean of its divisors is an integer number (53857440).

Almost surely, 2^1313215134 is an apocalyptic number.

1313215134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1313215134 is an abundant number, since it is smaller than the sum of its proper divisors (2133661026).

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

1313215134 is a wasteful number, since it uses less digits than its factorization.

1313215134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149645.

The product of its digits is 1080, while the sum is 24.

The square root of 1313215134 is about 36238.3103082911. The cubic root of 1313215134 is about 1095.0786023932.

Adding to 1313215134 its reverse (4315123131), we get a palindrome (5628338265).

The spelling of 1313215134 in words is "one billion, three hundred thirteen million, two hundred fifteen thousand, one hundred thirty-four".