133103055 has 8 divisors (see below), whose sum is σ = 212964912. Its totient is φ = 70988288.

The previous prime is 133103053. The next prime is 133103059. The reversal of 133103055 is 550301331.

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 133103055 - 2¹ = 133103053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133103053) 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, 4436754 + ... + 4436783.

It is an arithmetic number, because the mean of its divisors is an integer number (26620614).

Almost surely, 2^133103055 is an apocalyptic number.

133103055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133103055 is a deficient number, since it is larger than the sum of its proper divisors (79861857).

133103055 is an equidigital number, since it uses as much as digits as its factorization.

133103055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873545.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 133103055 is about 11537.0297303942. The cubic root of 133103055 is about 510.5786780185.

Adding to 133103055 its reverse (550301331), we get a palindrome (683404386).

The spelling of 133103055 in words is "one hundred thirty-three million, one hundred three thousand, fifty-five".