133074253 has 4 divisors (see below), whose sum is σ = 143310748. Its totient is φ = 122837760.

The previous prime is 133074229. The next prime is 133074259. The reversal of 133074253 is 352470331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352470331 = 23 ⋅15324797.

It can be written as a sum of positive squares in 2 ways, for example, as 25371369 + 107702884 = 5037^2 + 10378^2 .

It is a cyclic number.

It is not a de Polignac number, because 133074253 - 2²¹ = 130977101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133074259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5118228 + ... + 5118253.

It is an arithmetic number, because the mean of its divisors is an integer number (35827687).

Almost surely, 2^133074253 is an apocalyptic number.

133074253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133074253 is a deficient number, since it is larger than the sum of its proper divisors (10236495).

133074253 is a wasteful number, since it uses less digits than its factorization.

133074253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236494.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 133074253 is about 11535.7814212996. The cubic root of 133074253 is about 510.5418475392.

The spelling of 133074253 in words is "one hundred thirty-three million, seventy-four thousand, two hundred fifty-three".