1312330134 has 64 divisors (see below), whose sum is σ = 2744153280. Its totient is φ = 418037760.

The previous prime is 1312330109. The next prime is 1312330141. The reversal of 1312330134 is 4310332131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312330134.

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, 4670074 + ... + 4670354.

It is an arithmetic number, because the mean of its divisors is an integer number (42877395).

Almost surely, 2^1312330134 is an apocalyptic number.

1312330134 is an abundant number, since it is smaller than the sum of its proper divisors (1431823146).

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

1312330134 is a wasteful number, since it uses less digits than its factorization.

1312330134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1312330134 is about 36226.0974160894. The cubic root of 1312330134 is about 1094.8325491946.

Adding to 1312330134 its reverse (4310332131), we get a palindrome (5622662265).

The spelling of 1312330134 in words is "one billion, three hundred twelve million, three hundred thirty thousand, one hundred thirty-four".