133349274 has 16 divisors (see below), whose sum is σ = 296331840. Its totient is φ = 44449740.

The previous prime is 133349273. The next prime is 133349287. The reversal of 133349274 is 472943331.

It is not an unprimeable number, because it can be changed into a prime (133349273) 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 7 ways as a sum of consecutive naturals, for example, 1234662 + ... + 1234769.

It is an arithmetic number, because the mean of its divisors is an integer number (18520740).

Almost surely, 2^133349274 is an apocalyptic number.

133349274 is an abundant number, since it is smaller than the sum of its proper divisors (162982566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133349274 is a wasteful number, since it uses less digits than its factorization.

133349274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469442 (or 2469436 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 133349274 is about 11547.6956142773. The cubic root of 133349274 is about 510.8933132565.

The spelling of 133349274 in words is "one hundred thirty-three million, three hundred forty-nine thousand, two hundred seventy-four".