32145136565 has 16 divisors (see below), whose sum is σ = 40045363200. Its totient is φ = 24741579072.

The previous prime is 32145136547. The next prime is 32145136589. The reversal of 32145136565 is 56563154123.

It is a cyclic number.

It is not a de Polignac number, because 32145136565 - 2¹⁶ = 32145071029 is a prime.

It is a congruent number.

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, 350645 + ... + 432714.

It is an arithmetic number, because the mean of its divisors is an integer number (2502835200).

Almost surely, 2^32145136565 is an apocalyptic number.

It is an amenable number.

32145136565 is a deficient number, since it is larger than the sum of its proper divisors (7900226635).

32145136565 is a wasteful number, since it uses less digits than its factorization.

32145136565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783676.

The product of its digits is 324000, while the sum is 41.

The spelling of 32145136565 in words is "thirty-two billion, one hundred forty-five million, one hundred thirty-six thousand, five hundred sixty-five".