133121320334 has 24 divisors (see below), whose sum is σ = 212473594800. Its totient is φ = 62540581376.

The previous prime is 133121320313. The next prime is 133121320357. The reversal of 133121320334 is 433023121331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153974 + ... + 538470.

It is an arithmetic number, because the mean of its divisors is an integer number (8853066450).

Almost surely, 2^133121320334 is an apocalyptic number.

133121320334 is a deficient number, since it is larger than the sum of its proper divisors (79352274466).

133121320334 is a wasteful number, since it uses less digits than its factorization.

133121320334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385132 (or 385115 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133121320334 its reverse (433023121331), we get a palindrome (566144441665).

The spelling of 133121320334 in words is "one hundred thirty-three billion, one hundred twenty-one million, three hundred twenty thousand, three hundred thirty-four".