1312543094 has 8 divisors (see below), whose sum is σ = 2014601160. Its totient is φ = 641009376.

The previous prime is 1312543091. The next prime is 1312543147. The reversal of 1312543094 is 4903452131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1312543094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312543091) 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, 7630979 + ... + 7631150.

It is an arithmetic number, because the mean of its divisors is an integer number (251825145).

Almost surely, 2^1312543094 is an apocalyptic number.

1312543094 is a deficient number, since it is larger than the sum of its proper divisors (702058066).

1312543094 is a wasteful number, since it uses less digits than its factorization.

1312543094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262174.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1312543094 is about 36229.0366142960. The cubic root of 1312543094 is about 1094.8917677613.

The spelling of 1312543094 in words is "one billion, three hundred twelve million, five hundred forty-three thousand, ninety-four".