133103210 has 8 divisors (see below), whose sum is σ = 239585796. Its totient is φ = 53241280.

The previous prime is 133103177. The next prime is 133103213. The reversal of 133103210 is 12301331.

It can be written as a sum of positive squares in 2 ways, for example, as 133102369 + 841 = 11537^2 + 29^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133103213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6655151 + ... + 6655170.

Almost surely, 2^133103210 is an apocalyptic number.

133103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133103210 is a deficient number, since it is larger than the sum of its proper divisors (106482586).

133103210 is a wasteful number, since it uses less digits than its factorization.

133103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13310328.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133103210 is about 11537.0364478925. The cubic root of 133103210 is about 510.5788762099.

Adding to 133103210 its reverse (12301331), we get a palindrome (145404541).

The spelling of 133103210 in words is "one hundred thirty-three million, one hundred three thousand, two hundred ten".