133001430221 has 8 divisors (see below), whose sum is σ = 145181666784. Its totient is φ = 120836059920.

The previous prime is 133001430203. The next prime is 133001430223. The reversal of 133001430221 is 122034100331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133001430221 - 2⁶ = 133001430157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133001430193 and 133001430202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001430223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3697850 + ... + 3733643.

It is an arithmetic number, because the mean of its divisors is an integer number (18147708348).

Almost surely, 2^133001430221 is an apocalyptic number.

133001430221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133001430221 is a deficient number, since it is larger than the sum of its proper divisors (12180236563).

133001430221 is a wasteful number, since it uses less digits than its factorization.

133001430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433131.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 133001430221 its reverse (122034100331), we get a palindrome (255035530552).

The spelling of 133001430221 in words is "one hundred thirty-three billion, one million, four hundred thirty thousand, two hundred twenty-one".