133241001 has 16 divisors (see below), whose sum is σ = 187121664. Its totient is φ = 84166544.

The previous prime is 133240999. The next prime is 133241039. The reversal of 133241001 is 100142331.

It is a cyclic number.

It is not a de Polignac number, because 133241001 - 2¹ = 133240999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133241081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641 + ... + 16406.

It is an arithmetic number, because the mean of its divisors is an integer number (11695104).

Almost surely, 2^133241001 is an apocalyptic number.

It is an amenable number.

133241001 is a deficient number, since it is larger than the sum of its proper divisors (53880663).

133241001 is a wasteful number, since it uses less digits than its factorization.

133241001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18180.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 133241001 is about 11543.0065840751. The cubic root of 133241001 is about 510.7550024679.

Adding to 133241001 its reverse (100142331), we get a palindrome (233383332).

The spelling of 133241001 in words is "one hundred thirty-three million, two hundred forty-one thousand, one".