133143254 has 8 divisors (see below), whose sum is σ = 200149488. Its totient is φ = 66426760.

The previous prime is 133143253. The next prime is 133143287. The reversal of 133143254 is 452341331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71282 + ... + 73125.

It is an arithmetic number, because the mean of its divisors is an integer number (25018686).

Almost surely, 2^133143254 is an apocalyptic number.

133143254 is a deficient number, since it is larger than the sum of its proper divisors (67006234).

133143254 is a wasteful number, since it uses less digits than its factorization.

133143254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144870.

The product of its digits is 4320, while the sum is 26.

The square root of 133143254 is about 11538.7717717268. The cubic root of 133143254 is about 510.6300734989.

Adding to 133143254 its reverse (452341331), we get a palindrome (585484585).

The spelling of 133143254 in words is "one hundred thirty-three million, one hundred forty-three thousand, two hundred fifty-four".