133642264565 has 16 divisors (see below), whose sum is σ = 162530323200. Its totient is φ = 105476235072.

The previous prime is 133642264559. The next prime is 133642264643. The reversal of 133642264565 is 565462246331.

It is a cyclic number.

It is not a de Polignac number, because 133642264565 - 2⁶ = 133642264501 is a prime.

It is a super-2 number, since 2×133642264565² (a number of 23 digits) contains 22 as substring.

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, 362939 + ... + 631671.

It is an arithmetic number, because the mean of its divisors is an integer number (10158145200).

Almost surely, 2^133642264565 is an apocalyptic number.

It is an amenable number.

133642264565 is a deficient number, since it is larger than the sum of its proper divisors (28888058635).

133642264565 is a wasteful number, since it uses less digits than its factorization.

133642264565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270076.

The product of its digits is 3110400, while the sum is 47.

The spelling of 133642264565 in words is "one hundred thirty-three billion, six hundred forty-two million, two hundred sixty-four thousand, five hundred sixty-five".