133245952 has 88 divisors (see below), whose sum is σ = 315401760. Its totient is φ = 55050240.

The previous prime is 133245947. The next prime is 133245953. The reversal of 133245952 is 259542331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133245953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207552 + ... + 208192.

Almost surely, 2^133245952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133245952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157700880).

133245952 is an abundant number, since it is smaller than the sum of its proper divisors (182155808).

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

133245952 is an equidigital number, since it uses as much as digits as its factorization.

133245952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 679 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 133245952 is about 11543.2210409400. The cubic root of 133245952 is about 510.7613286404.

The spelling of 133245952 in words is "one hundred thirty-three million, two hundred forty-five thousand, nine hundred fifty-two".