13135032465 has 16 divisors (see below), whose sum is σ = 21208862400. Its totient is φ = 6941080512.

The previous prime is 13135032451. The next prime is 13135032479. The reversal of 13135032465 is 56423053131.

It is an interprime number because it is at equal distance from previous prime (13135032451) and next prime (13135032479).

It is not a de Polignac number, because 13135032465 - 2⁶ = 13135032401 is a prime.

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, 4015195 + ... + 4018464.

It is an arithmetic number, because the mean of its divisors is an integer number (1325553900).

Almost surely, 2^13135032465 is an apocalyptic number.

13135032465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13135032465 is a deficient number, since it is larger than the sum of its proper divisors (8073829935).

13135032465 is a wasteful number, since it uses less digits than its factorization.

13135032465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033776.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 13135032465 its reverse (56423053131), we get a palindrome (69558085596).

The spelling of 13135032465 in words is "thirteen billion, one hundred thirty-five million, thirty-two thousand, four hundred sixty-five".