1314215345 has 16 divisors (see below), whose sum is σ = 1674034128. Its totient is φ = 987033600.

The previous prime is 1314215341. The next prime is 1314215347. The reversal of 1314215345 is 5435124131.

1314215345 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 8 ways, for example, as 138274081 + 1175941264 = 11759^2 + 34292^2 .

It is not a de Polignac number, because 1314215345 - 2² = 1314215341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314215341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14807 + ... + 53363.

It is an arithmetic number, because the mean of its divisors is an integer number (104627133).

Almost surely, 2^1314215345 is an apocalyptic number.

It is an amenable number.

1314215345 is a deficient number, since it is larger than the sum of its proper divisors (359818783).

1314215345 is a wasteful number, since it uses less digits than its factorization.

1314215345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38980.

The product of its digits is 7200, while the sum is 29.

The square root of 1314215345 is about 36252.1081455962. The cubic root of 1314215345 is about 1095.3565542363.

Adding to 1314215345 its reverse (5435124131), we get a palindrome (6749339476).

The spelling of 1314215345 in words is "one billion, three hundred fourteen million, two hundred fifteen thousand, three hundred forty-five".