133463553 has 8 divisors (see below), whose sum is σ = 178874208. Its totient is φ = 88514304.

The previous prime is 133463497. The next prime is 133463563. The reversal of 133463553 is 355364331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133463553 - 2⁶ = 133463489 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (133463563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114675 + ... + 115832.

It is an arithmetic number, because the mean of its divisors is an integer number (22359276).

Almost surely, 2^133463553 is an apocalyptic number.

It is an amenable number.

133463553 is a deficient number, since it is larger than the sum of its proper divisors (45410655).

133463553 is a wasteful number, since it uses less digits than its factorization.

133463553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230703.

The product of its digits is 48600, while the sum is 33.

The square root of 133463553 is about 11552.6426846847. The cubic root of 133463553 is about 511.0392150797.

The spelling of 133463553 in words is "one hundred thirty-three million, four hundred sixty-three thousand, five hundred fifty-three".