1314129394 has 4 divisors (see below), whose sum is σ = 1971194094. Its totient is φ = 657064696.

The previous prime is 1314129391. The next prime is 1314129409. The reversal of 1314129394 is 4939214131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1073414169 + 240715225 = 32763^2 + 15515^2 .

It is not an unprimeable number, because it can be changed into a prime (1314129391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328532347 + ... + 328532350.

Almost surely, 2^1314129394 is an apocalyptic number.

1314129394 is a deficient number, since it is larger than the sum of its proper divisors (657064700).

1314129394 is an equidigital number, since it uses as much as digits as its factorization.

1314129394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657064699.

The product of its digits is 23328, while the sum is 37.

The square root of 1314129394 is about 36250.9226641199. The cubic root of 1314129394 is about 1095.3326745771.

The spelling of 1314129394 in words is "one billion, three hundred fourteen million, one hundred twenty-nine thousand, three hundred ninety-four".