133208553 has 8 divisors (see below), whose sum is σ = 178023328. Its totient is φ = 88599744.

The previous prime is 133208527. The next prime is 133208587. The reversal of 133208553 is 355802331.

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

It is not a de Polignac number, because 133208553 - 2¹² = 133204457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133208553.

It is not an unprimeable number, because it can be changed into a prime (133208503) 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, 49975 + ... + 52572.

It is an arithmetic number, because the mean of its divisors is an integer number (22252916).

Almost surely, 2^133208553 is an apocalyptic number.

It is an amenable number.

133208553 is a deficient number, since it is larger than the sum of its proper divisors (44814775).

133208553 is a wasteful number, since it uses less digits than its factorization.

133208553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102983.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 133208553 is about 11541.6009721355. The cubic root of 133208553 is about 510.7135379444.

The spelling of 133208553 in words is "one hundred thirty-three million, two hundred eight thousand, five hundred fifty-three".