319142465 has 8 divisors (see below), whose sum is σ = 383826600. Its totient is φ = 254743552.

The previous prime is 319142443. The next prime is 319142533. The reversal of 319142465 is 564241913.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 319086769 = 236^2 + 17863^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 319142465 - 2¹⁰ = 319141441 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68834 + ... + 73323.

It is an arithmetic number, because the mean of its divisors is an integer number (47978325).

Almost surely, 2^319142465 is an apocalyptic number.

It is an amenable number.

319142465 is a deficient number, since it is larger than the sum of its proper divisors (64684135).

319142465 is a wasteful number, since it uses less digits than its factorization.

319142465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142611.

The product of its digits is 25920, while the sum is 35.

The square root of 319142465 is about 17864.5589086325. The cubic root of 319142465 is about 683.3788469916.

The spelling of 319142465 in words is "three hundred nineteen million, one hundred forty-two thousand, four hundred sixty-five".