133646787263 has 12 divisors (see below), whose sum is σ = 153288017904. Its totient is φ = 116214595200.

The previous prime is 133646787233. The next prime is 133646787283. The reversal of 133646787263 is 362787646331.

It is not a de Polignac number, because 133646787263 - 2⁶ = 133646787199 is a prime.

It is a super-2 number, since 2×133646787263² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133646787199 and 133646787208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133646787233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24008498 + ... + 24014063.

It is an arithmetic number, because the mean of its divisors is an integer number (12774001492).

Almost surely, 2^133646787263 is an apocalyptic number.

133646787263 is a deficient number, since it is larger than the sum of its proper divisors (19641230641).

133646787263 is a wasteful number, since it uses less digits than its factorization.

133646787263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48022606 (or 48022595 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 56.

The spelling of 133646787263 in words is "one hundred thirty-three billion, six hundred forty-six million, seven hundred eighty-seven thousand, two hundred sixty-three".