133542274 has 8 divisors (see below), whose sum is σ = 207220860. Its totient is φ = 64468656.

The previous prime is 133542263. The next prime is 133542307. The reversal of 133542274 is 472245331.

It is a happy number.

133542274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120890025 + 12652249 = 10995^2 + 3557^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151169 + ... + 1151284.

Almost surely, 2^133542274 is an apocalyptic number.

133542274 is a deficient number, since it is larger than the sum of its proper divisors (73678586).

133542274 is a wasteful number, since it uses less digits than its factorization.

133542274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302484.

The product of its digits is 20160, while the sum is 31.

The square root of 133542274 is about 11556.0492383859. The cubic root of 133542274 is about 511.1396709974.

The spelling of 133542274 in words is "one hundred thirty-three million, five hundred forty-two thousand, two hundred seventy-four".