133454553 has 16 divisors (see below), whose sum is σ = 181788480. Its totient is φ = 87062976.

The previous prime is 133454527. The next prime is 133454561. The reversal of 133454553 is 355454331.

It is not a de Polignac number, because 133454553 - 2⁸ = 133454297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133454513) 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 15 ways as a sum of consecutive naturals, for example, 29443 + ... + 33671.

It is an arithmetic number, because the mean of its divisors is an integer number (11361780).

Almost surely, 2^133454553 is an apocalyptic number.

It is an amenable number.

133454553 is a deficient number, since it is larger than the sum of its proper divisors (48333927).

133454553 is a wasteful number, since it uses less digits than its factorization.

133454553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456.

The product of its digits is 54000, while the sum is 33.

The square root of 133454553 is about 11552.2531568521. The cubic root of 133454553 is about 511.0277276580.

The spelling of 133454553 in words is "one hundred thirty-three million, four hundred fifty-four thousand, five hundred fifty-three".