1345178314 has 4 divisors (see below), whose sum is σ = 2017767474. Its totient is φ = 672589156.

The previous prime is 1345178309. The next prime is 1345178323. The reversal of 1345178314 is 4138715431.

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., 1162469025 + 182709289 = 34095^2 + 13517^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336294577 + ... + 336294580.

Almost surely, 2^1345178314 is an apocalyptic number.

1345178314 is a deficient number, since it is larger than the sum of its proper divisors (672589160).

1345178314 is an equidigital number, since it uses as much as digits as its factorization.

1345178314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672589159.

The product of its digits is 40320, while the sum is 37.

The square root of 1345178314 is about 36676.6726135292. The cubic root of 1345178314 is about 1103.8920841840.

The spelling of 1345178314 in words is "one billion, three hundred forty-five million, one hundred seventy-eight thousand, three hundred fourteen".