133765464172 has 72 divisors (see below), whose sum is σ = 262118520720. Its totient is φ = 59515223040.

The previous prime is 133765464149. The next prime is 133765464179. The reversal of 133765464172 is 271464567331.

It is not an unprimeable number, because it can be changed into a prime (133765464179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12784279 + ... + 12794737.

It is an arithmetic number, because the mean of its divisors is an integer number (3640535010).

Almost surely, 2^133765464172 is an apocalyptic number.

It is an amenable number.

133765464172 is a deficient number, since it is larger than the sum of its proper divisors (128353056548).

133765464172 is a wasteful number, since it uses less digits than its factorization.

133765464172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039 (or 11018 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The spelling of 133765464172 in words is "one hundred thirty-three billion, seven hundred sixty-five million, four hundred sixty-four thousand, one hundred seventy-two".