13132333465 has 8 divisors (see below), whose sum is σ = 16302207240. Its totient is φ = 10143595392.

The previous prime is 13132333439. The next prime is 13132333471. The reversal of 13132333465 is 56433323131.

It can be written as a sum of positive squares in 4 ways, for example, as 213510544 + 12918822921 = 14612^2 + 113661^2 .

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 13132333465 - 2⁵ = 13132333433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13132333465.

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, 45283764 + ... + 45284053.

It is an arithmetic number, because the mean of its divisors is an integer number (2037775905).

Almost surely, 2^13132333465 is an apocalyptic number.

It is an amenable number.

13132333465 is a deficient number, since it is larger than the sum of its proper divisors (3169873775).

13132333465 is an equidigital number, since it uses as much as digits as its factorization.

13132333465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90567851.

The product of its digits is 58320, while the sum is 34.

Adding to 13132333465 its reverse (56433323131), we get a palindrome (69565656596).

The spelling of 13132333465 in words is "thirteen billion, one hundred thirty-two million, three hundred thirty-three thousand, four hundred sixty-five".