133342500 has 120 divisors (see below), whose sum is σ = 406219968. Its totient is φ = 33968000.

The previous prime is 133342499. The next prime is 133342553. The reversal of 133342500 is 5243331.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 172114 + ... + 172886.

Almost surely, 2^133342500 is an apocalyptic number.

133342500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133342500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203109984).

133342500 is an abundant number, since it is smaller than the sum of its proper divisors (272877468).

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

133342500 is a wasteful number, since it uses less digits than its factorization.

133342500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 133342500 is about 11547.4023052806. The cubic root of 133342500 is about 510.8846621660.

Adding to 133342500 its reverse (5243331), we get a palindrome (138585831).

The spelling of 133342500 in words is "one hundred thirty-three million, three hundred forty-two thousand, five hundred".