133766242441406 has 4 divisors (see below), whose sum is σ = 200649363662112. Its totient is φ = 66883121220702.

The previous prime is 133766242441399. The next prime is 133766242441409. The reversal of 133766242441406 is 604144242667331.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133766242441409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33441560610350 + ... + 33441560610353.

It is an arithmetic number, because the mean of its divisors is an integer number (50162340915528).

Almost surely, 2^{133766242441406} is an apocalyptic number.

133766242441406 is a deficient number, since it is larger than the sum of its proper divisors (66883121220706).

133766242441406 is an equidigital number, since it uses as much as digits as its factorization.

133766242441406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66883121220705.

The product of its (nonzero) digits is 13934592, while the sum is 53.

The spelling of 133766242441406 in words is "one hundred thirty-three trillion, seven hundred sixty-six billion, two hundred forty-two million, four hundred forty-one thousand, four hundred six".