320102137465 has 16 divisors (see below), whose sum is σ = 428787982656. Its totient is φ = 227387563200.

The previous prime is 320102137441. The next prime is 320102137507. The reversal of 320102137465 is 564731201023.

It is not a de Polignac number, because 320102137465 - 2¹⁵ = 320102104697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320102137465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67672506 + ... + 67677235.

It is an arithmetic number, because the mean of its divisors is an integer number (26799248916).

Almost surely, 2^320102137465 is an apocalyptic number.

It is an amenable number.

320102137465 is a deficient number, since it is larger than the sum of its proper divisors (108685845191).

320102137465 is a wasteful number, since it uses less digits than its factorization.

320102137465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135349800.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 320102137465 its reverse (564731201023), we get a palindrome (884833338488).

The spelling of 320102137465 in words is "three hundred twenty billion, one hundred two million, one hundred thirty-seven thousand, four hundred sixty-five".