133113210 has 32 divisors (see below), whose sum is σ = 325503360. Its totient is φ = 34826688.

The previous prime is 133113199. The next prime is 133113229. The reversal of 133113210 is 12311331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133113210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40270 + ... + 43449.

It is an arithmetic number, because the mean of its divisors is an integer number (10171980).

Almost surely, 2^133113210 is an apocalyptic number.

133113210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133113210 is an abundant number, since it is smaller than the sum of its proper divisors (192390150).

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

133113210 is a wasteful number, since it uses less digits than its factorization.

133113210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83782.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133113210 is about 11537.4698266128. The cubic root of 133113210 is about 510.5916624302.

Adding to 133113210 its reverse (12311331), we get a palindrome (145424541).

It can be divided in two parts, 1331 and 13210, that added together give a palindrome (14541).

The spelling of 133113210 in words is "one hundred thirty-three million, one hundred thirteen thousand, two hundred ten".