133920742173 has 8 divisors (see below), whose sum is σ = 178570747200. Its totient is φ = 89275615968.

The previous prime is 133920742141. The next prime is 133920742181. The reversal of 133920742173 is 371247029331.

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

It is not a de Polignac number, because 133920742173 - 2⁵ = 133920742141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133920742073) 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, 1155168 + ... + 1265801.

It is an arithmetic number, because the mean of its divisors is an integer number (22321343400).

Almost surely, 2^133920742173 is an apocalyptic number.

It is an amenable number.

133920742173 is a deficient number, since it is larger than the sum of its proper divisors (44650005027).

133920742173 is a wasteful number, since it uses less digits than its factorization.

133920742173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439411.

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 133920742173 in words is "one hundred thirty-three billion, nine hundred twenty million, seven hundred forty-two thousand, one hundred seventy-three".