133645165043 has 8 divisors (see below), whose sum is σ = 148888513200. Its totient is φ = 119110809888.

The previous prime is 133645165009. The next prime is 133645165057. The reversal of 133645165043 is 340561546331.

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

It is a cyclic number.

It is not a de Polignac number, because 133645165043 - 2¹² = 133645160947 is a prime.

It is a super-2 number, since 2×133645165043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133645165243) 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, 177247853 + ... + 177248606.

It is an arithmetic number, because the mean of its divisors is an integer number (18611064150).

Almost surely, 2^133645165043 is an apocalyptic number.

133645165043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133645165043 is a deficient number, since it is larger than the sum of its proper divisors (15243348157).

133645165043 is a wasteful number, since it uses less digits than its factorization.

133645165043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354496501.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 133645165043 in words is "one hundred thirty-three billion, six hundred forty-five million, one hundred sixty-five thousand, forty-three".