133210500 has 48 divisors (see below), whose sum is σ = 387913344. Its totient is φ = 35522400.

The previous prime is 133210499. The next prime is 133210529. The reversal of 133210500 is 5012331.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133210500.

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, 42904 + ... + 45903.

It is an arithmetic number, because the mean of its divisors is an integer number (8081528).

Almost surely, 2^133210500 is an apocalyptic number.

133210500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133210500 is an abundant number, since it is smaller than the sum of its proper divisors (254702844).

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

133210500 is a wasteful number, since it uses less digits than its factorization.

133210500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88829 (or 88817 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 133210500 is about 11541.6853188778. The cubic root of 133210500 is about 510.7160261590.

Adding to 133210500 its reverse (5012331), we get a palindrome (138222831).

The spelling of 133210500 in words is "one hundred thirty-three million, two hundred ten thousand, five hundred".