133001652 has 24 divisors (see below), whose sum is σ = 354671296. Its totient is φ = 38000448.

The previous prime is 133001641. The next prime is 133001657. The reversal of 133001652 is 256100331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791593 + ... + 791760.

Almost surely, 2^133001652 is an apocalyptic number.

133001652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133001652 is an abundant number, since it is smaller than the sum of its proper divisors (221669644).

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

133001652 is a wasteful number, since it uses less digits than its factorization.

133001652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583367 (or 1583365 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 133001652 is about 11532.6342177319. The cubic root of 133001652 is about 510.4489856206.

Adding to 133001652 its reverse (256100331), we get a palindrome (389101983).

The spelling of 133001652 in words is "one hundred thirty-three million, one thousand, six hundred fifty-two".