1314468509 has 4 divisors (see below), whose sum is σ = 1391790204. Its totient is φ = 1237146816.

The previous prime is 1314468503. The next prime is 1314468521. The reversal of 1314468509 is 9058644131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 985771609 + 328696900 = 31397^2 + 18130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314468509 - 2¹² = 1314464413 is a prime.

It is a super-2 number, since 2×1314468509² = 3455654922305366162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314468503) 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, 38660822 + ... + 38660855.

It is an arithmetic number, because the mean of its divisors is an integer number (347947551).

Almost surely, 2^1314468509 is an apocalyptic number.

It is an amenable number.

1314468509 is a deficient number, since it is larger than the sum of its proper divisors (77321695).

1314468509 is an equidigital number, since it uses as much as digits as its factorization.

1314468509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77321694.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1314468509 is about 36255.5996916338. The cubic root of 1314468509 is about 1095.4268844257.

The spelling of 1314468509 in words is "one billion, three hundred fourteen million, four hundred sixty-eight thousand, five hundred nine".