1314520919 has 4 divisors (see below), whose sum is σ = 1314922440. Its totient is φ = 1314119400.

The previous prime is 1314520901. The next prime is 1314520973. The reversal of 1314520919 is 9190254131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1314520919 - 2⁸ = 1314520663 is a prime.

It is a super-2 number, since 2×1314520919² = 3455930492977209122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314520979) 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, 195809 + ... + 202410.

It is an arithmetic number, because the mean of its divisors is an integer number (328730610).

Almost surely, 2^1314520919 is an apocalyptic number.

1314520919 is a deficient number, since it is larger than the sum of its proper divisors (401521).

1314520919 is an equidigital number, since it uses as much as digits as its factorization.

1314520919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401520.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1314520919 is about 36256.3224693294. The cubic root of 1314520919 is about 1095.4414430501.

The spelling of 1314520919 in words is "one billion, three hundred fourteen million, five hundred twenty thousand, nine hundred nineteen".