133024221403 has 4 divisors (see below), whose sum is σ = 133026826608. Its totient is φ = 133021616200.

The previous prime is 133024221367. The next prime is 133024221413. The reversal of 133024221403 is 304122420331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133024221403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133024221413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224448 + ... + 1328653.

It is an arithmetic number, because the mean of its divisors is an integer number (33256706652).

Almost surely, 2^133024221403 is an apocalyptic number.

133024221403 is a deficient number, since it is larger than the sum of its proper divisors (2605205).

133024221403 is an equidigital number, since it uses as much as digits as its factorization.

133024221403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605204.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 133024221403 its reverse (304122420331), we get a palindrome (437146641734).

The spelling of 133024221403 in words is "one hundred thirty-three billion, twenty-four million, two hundred twenty-one thousand, four hundred three".