133471274 has 4 divisors (see below), whose sum is σ = 200206914. Its totient is φ = 66735636.

The previous prime is 133471259. The next prime is 133471279. The reversal of 133471274 is 472174331.

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., 81126049 + 52345225 = 9007^2 + 7235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133471274.

It is not an unprimeable number, because it can be changed into a prime (133471279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33367817 + ... + 33367820.

Almost surely, 2^133471274 is an apocalyptic number.

133471274 is a deficient number, since it is larger than the sum of its proper divisors (66735640).

133471274 is an equidigital number, since it uses as much as digits as its factorization.

133471274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66735639.

The product of its digits is 14112, while the sum is 32.

The square root of 133471274 is about 11552.9768458177. The cubic root of 133471274 is about 511.0490695995.

The spelling of 133471274 in words is "one hundred thirty-three million, four hundred seventy-one thousand, two hundred seventy-four".