133103355 has 96 divisors (see below), whose sum is σ = 274606848. Its totient is φ = 54432000.

The previous prime is 133103317. The next prime is 133103363. The reversal of 133103355 is 553301331.

It is not a de Polignac number, because 133103355 - 2¹⁰ = 133102331 is a prime.

It is a super-2 number, since 2×133103355² = 35433006224512050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 816504 + ... + 816666.

It is an arithmetic number, because the mean of its divisors is an integer number (2860488).

Almost surely, 2^133103355 is an apocalyptic number.

133103355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133103355 is an abundant number, since it is smaller than the sum of its proper divisors (141503493).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133103355 is a wasteful number, since it uses less digits than its factorization.

133103355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 133103355 is about 11537.0427320003. The cubic root of 133103355 is about 510.5790616147.

Adding to 133103355 its reverse (553301331), we get a palindrome (686404686).

The spelling of 133103355 in words is "one hundred thirty-three million, one hundred three thousand, three hundred fifty-five".