133072453 has 4 divisors (see below), whose sum is σ = 135583308. Its totient is φ = 130561600.

The previous prime is 133072439. The next prime is 133072483. The reversal of 133072453 is 354270331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354270331 = 6067 ⋅58393.

It can be written as a sum of positive squares in 2 ways, for example, as 73582084 + 59490369 = 8578^2 + 7713^2 .

It is a cyclic number.

It is not a de Polignac number, because 133072453 - 2⁵ = 133072421 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 (133072403) 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, 1255348 + ... + 1255453.

It is an arithmetic number, because the mean of its divisors is an integer number (33895827).

Almost surely, 2^133072453 is an apocalyptic number.

It is an amenable number.

133072453 is a deficient number, since it is larger than the sum of its proper divisors (2510855).

133072453 is an equidigital number, since it uses as much as digits as its factorization.

133072453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510854.

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

The square root of 133072453 is about 11535.7034029139. The cubic root of 133072453 is about 510.5395456176.

The spelling of 133072453 in words is "one hundred thirty-three million, seventy-two thousand, four hundred fifty-three".