133072454 has 4 divisors (see below), whose sum is σ = 199608684. Its totient is φ = 66536226.

The previous prime is 133072439. The next prime is 133072483. The reversal of 133072454 is 454270331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454270331 = 11677 ⋅38903.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33268112 + ... + 33268115.

It is an arithmetic number, because the mean of its divisors is an integer number (49902171).

Almost surely, 2^133072454 is an apocalyptic number.

133072454 is a deficient number, since it is larger than the sum of its proper divisors (66536230).

133072454 is an equidigital number, since it uses as much as digits as its factorization.

133072454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66536229.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 133072454 is about 11535.7034462576. The cubic root of 133072454 is about 510.5395468965.

The spelling of 133072454 in words is "one hundred thirty-three million, seventy-two thousand, four hundred fifty-four".