133022340 has 216 divisors, whose sum is σ = 463776768. Its totient is φ = 30602880.

The previous prime is 133022299. The next prime is 133022341. The reversal of 133022340 is 43220331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (133022341) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1047357 + ... + 1047483.

Almost surely, 2^133022340 is an apocalyptic number.

133022340 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 133022340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231888384).

133022340 is an abundant number, since it is smaller than the sum of its proper divisors (330754428).

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

133022340 is a wasteful number, since it uses less digits than its factorization.

133022340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 133022340 is about 11533.5311158379. The cubic root of 133022340 is about 510.4754505077.

Adding to 133022340 its reverse (43220331), we get a palindrome (176242671).

The spelling of 133022340 in words is "one hundred thirty-three million, twenty-two thousand, three hundred forty".