133651683645 has 8 divisors (see below), whose sum is σ = 213842693856. Its totient is φ = 71280897936.

The previous prime is 133651683643. The next prime is 133651683653. The reversal of 133651683645 is 546386156331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133651683645 - 2¹ = 133651683643 is a prime.

It is a super-2 number, since 2×133651683645² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133651683643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455056107 + ... + 4455056136.

It is an arithmetic number, because the mean of its divisors is an integer number (26730336732).

Almost surely, 2^133651683645 is an apocalyptic number.

133651683645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133651683645 is a deficient number, since it is larger than the sum of its proper divisors (80191010211).

133651683645 is an equidigital number, since it uses as much as digits as its factorization.

133651683645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8910112251.

The product of its digits is 4665600, while the sum is 51.

The spelling of 133651683645 in words is "one hundred thirty-three billion, six hundred fifty-one million, six hundred eighty-three thousand, six hundred forty-five".