133240210 has 32 divisors (see below), whose sum is σ = 250614000. Its totient is φ = 50937600.

The previous prime is 133240207. The next prime is 133240213. The reversal of 133240210 is 12042331.

It is a happy number.

133240210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (133240207) and next prime (133240213).

It can be written as a sum of positive squares in 8 ways, for example, as 110229001 + 23011209 = 10499^2 + 4797^2 .

It is not an unprimeable number, because it can be changed into a prime (133240213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27016 + ... + 31564.

Almost surely, 2^133240210 is an apocalyptic number.

133240210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133240210 is a deficient number, since it is larger than the sum of its proper divisors (117373790).

133240210 is a wasteful number, since it uses less digits than its factorization.

133240210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 133240210 is about 11542.9723208539. The cubic root of 133240210 is about 510.7539917479.

Adding to 133240210 its reverse (12042331), we get a palindrome (145282541).

The spelling of 133240210 in words is "one hundred thirty-three million, two hundred forty thousand, two hundred ten".