133701252 has 96 divisors (see below), whose sum is σ = 345609600. Its totient is φ = 40061952.

The previous prime is 133701251. The next prime is 133701283. The reversal of 133701252 is 252107331.

It is not an unprimeable number, because it can be changed into a prime (133701251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482538 + ... + 482814.

It is an arithmetic number, because the mean of its divisors is an integer number (3600100).

Almost surely, 2^133701252 is an apocalyptic number.

133701252 is a gapful number since it is divisible by the number (12) 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 133701252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172804800).

133701252 is an abundant number, since it is smaller than the sum of its proper divisors (211908348).

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

133701252 is a wasteful number, since it uses less digits than its factorization.

133701252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 133701252 is about 11562.9257543236. The cubic root of 133701252 is about 511.3424226197.

Adding to 133701252 its reverse (252107331), we get a palindrome (385808583).

The spelling of 133701252 in words is "one hundred thirty-three million, seven hundred one thousand, two hundred fifty-two".