133183373785 has 64 divisors (see below), whose sum is σ = 214958375424. Its totient is φ = 76665139200.

The previous prime is 133183373773. The next prime is 133183373803. The reversal of 133183373785 is 587373381331.

It is a de Polignac number, because none of the positive numbers 2^k-133183373785 is a prime.

It is a super-4 number, since 4×133183373785⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154915 + ... + 538855.

It is an arithmetic number, because the mean of its divisors is an integer number (3358724616).

Almost surely, 2^133183373785 is an apocalyptic number.

It is an amenable number.

133183373785 is a deficient number, since it is larger than the sum of its proper divisors (81775001639).

133183373785 is a wasteful number, since it uses less digits than its factorization.

133183373785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384034.

The product of its digits is 3810240, while the sum is 52.

The spelling of 133183373785 in words is "one hundred thirty-three billion, one hundred eighty-three million, three hundred seventy-three thousand, seven hundred eighty-five".