133555153 has 8 divisors (see below), whose sum is σ = 137676672. Its totient is φ = 129487056.

The previous prime is 133555151. The next prime is 133555183. The reversal of 133555153 is 351555331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133555153 - 2¹ = 133555151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133555151) 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, 8250 + ... + 18307.

It is an arithmetic number, because the mean of its divisors is an integer number (17209584).

Almost surely, 2^133555153 is an apocalyptic number.

It is an amenable number.

133555153 is a deficient number, since it is larger than the sum of its proper divisors (4121519).

133555153 is a wasteful number, since it uses less digits than its factorization.

133555153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26711.

The product of its digits is 16875, while the sum is 31.

The square root of 133555153 is about 11556.6064655676. The cubic root of 133555153 is about 511.1561021394.

The spelling of 133555153 in words is "one hundred thirty-three million, five hundred fifty-five thousand, one hundred fifty-three".