133333334 has 4 divisors (see below), whose sum is σ = 200000004. Its totient is φ = 66666666.

The previous prime is 133333327. The next prime is 133333357. The reversal of 133333334 is 433333331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433333331 = 1907 ⋅227233.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33333332 + ... + 33333335.

It is an arithmetic number, because the mean of its divisors is an integer number (50000001).

Almost surely, 2^133333334 is an apocalyptic number.

133333334 is a deficient number, since it is larger than the sum of its proper divisors (66666670).

133333334 is an equidigital number, since it uses as much as digits as its factorization.

133333334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66666669.

The product of its digits is 8748, while the sum is 26.

The square root of 133333334 is about 11547.0054126600. The cubic root of 133333334 is about 510.8729557805.

Adding to 133333334 its reverse (433333331), we get a palindrome (566666665).

The spelling of 133333334 in words is "one hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-four".