133274299 has 4 divisors (see below), whose sum is σ = 133420240. Its totient is φ = 133128360.

The previous prime is 133274293. The next prime is 133274321. The reversal of 133274299 is 992472331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992472331 = 661 ⋅1501471.

It is a cyclic number.

It is not a de Polignac number, because 133274299 - 2¹⁹ = 132750011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133274293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71592 + ... + 73429.

It is an arithmetic number, because the mean of its divisors is an integer number (33355060).

Almost surely, 2^133274299 is an apocalyptic number.

133274299 is a deficient number, since it is larger than the sum of its proper divisors (145941).

133274299 is an equidigital number, since it uses as much as digits as its factorization.

133274299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145940.

The product of its digits is 81648, while the sum is 40.

The square root of 133274299 is about 11544.4488391608. The cubic root of 133274299 is about 510.7975461879.

The spelling of 133274299 in words is "one hundred thirty-three million, two hundred seventy-four thousand, two hundred ninety-nine".