133009274 has 4 divisors (see below), whose sum is σ = 199513914. Its totient is φ = 66504636.

The previous prime is 133009273. The next prime is 133009297. The reversal of 133009274 is 472900331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101143249 + 31866025 = 10057^2 + 5645^2 .

It is not an unprimeable number, because it can be changed into a prime (133009273) 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 as a sum of consecutive naturals, namely, 33252317 + ... + 33252320.

Almost surely, 2^133009274 is an apocalyptic number.

133009274 is a deficient number, since it is larger than the sum of its proper divisors (66504640).

133009274 is an equidigital number, since it uses as much as digits as its factorization.

133009274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66504639.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 133009274 is about 11532.9646665547. The cubic root of 133009274 is about 510.4587362961.

The spelling of 133009274 in words is "one hundred thirty-three million, nine thousand, two hundred seventy-four".