133201340 has 24 divisors (see below), whose sum is σ = 280348992. Its totient is φ = 53161280.

The previous prime is 133201331. The next prime is 133201361. The reversal of 133201340 is 43102331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1997 + ... + 16443.

It is an arithmetic number, because the mean of its divisors is an integer number (11681208).

Almost surely, 2^133201340 is an apocalyptic number.

133201340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133201340 is an abundant number, since it is smaller than the sum of its proper divisors (147147652).

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

133201340 is a wasteful number, since it uses less digits than its factorization.

133201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14917 (or 14915 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133201340 is about 11541.2884895925. The cubic root of 133201340 is about 510.7043197094.

Adding to 133201340 its reverse (43102331), we get a palindrome (176303671).

Subtracting from 133201340 its reverse (43102331), we obtain a palindrome (90099009).

The spelling of 133201340 in words is "one hundred thirty-three million, two hundred one thousand, three hundred forty".