133731334 has 16 divisors (see below), whose sum is σ = 225893376. Its totient is φ = 58825800.

The previous prime is 133731313. The next prime is 133731359. The reversal of 133731334 is 433137331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97362 + ... + 98725.

It is an arithmetic number, because the mean of its divisors is an integer number (14118336).

Almost surely, 2^133731334 is an apocalyptic number.

133731334 is a deficient number, since it is larger than the sum of its proper divisors (92162042).

133731334 is a wasteful number, since it uses less digits than its factorization.

133731334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196131.

The product of its digits is 6804, while the sum is 28.

The square root of 133731334 is about 11564.2264765094. The cubic root of 133731334 is about 511.3807694290.

Adding to 133731334 its reverse (433137331), we get a palindrome (566868665).

The spelling of 133731334 in words is "one hundred thirty-three million, seven hundred thirty-one thousand, three hundred thirty-four".