133527001 has 4 divisors (see below), whose sum is σ = 135356212. Its totient is φ = 131697792.

The previous prime is 133526947. The next prime is 133527067. The reversal of 133527001 is 100725331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106069401 + 27457600 = 10299^2 + 5240^2 .

It is a cyclic number.

It is not a de Polignac number, because 133527001 - 2¹³ = 133518809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133527091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914496 + ... + 914641.

It is an arithmetic number, because the mean of its divisors is an integer number (33839053).

Almost surely, 2^133527001 is an apocalyptic number.

It is an amenable number.

133527001 is a deficient number, since it is larger than the sum of its proper divisors (1829211).

133527001 is an equidigital number, since it uses as much as digits as its factorization.

133527001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829210.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 133527001 is about 11555.3883967611. The cubic root of 133527001 is about 511.1201841997.

The spelling of 133527001 in words is "one hundred thirty-three million, five hundred twenty-seven thousand, one".