133244130321 has 12 divisors (see below), whose sum is σ = 195336337872. Its totient is φ = 87503607576.

The previous prime is 133244130301. The next prime is 133244130329. The reversal of 133244130321 is 123031442331.

It is a happy number.

133244130321 is a `hidden beast` number, since 1 + 3 + 324 + 4 + 13 + 0 + 321 = 666.

It is not a de Polignac number, because 133244130321 - 2¹⁷ = 133243999249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133244130329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110483751 + ... + 110484956.

It is an arithmetic number, because the mean of its divisors is an integer number (16278028156).

Almost surely, 2^133244130321 is an apocalyptic number.

It is an amenable number.

133244130321 is a deficient number, since it is larger than the sum of its proper divisors (62092207551).

133244130321 is a wasteful number, since it uses less digits than its factorization.

133244130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220968780 (or 220968777 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 133244130321 its reverse (123031442331), we get a palindrome (256275572652).

The spelling of 133244130321 in words is "one hundred thirty-three billion, two hundred forty-four million, one hundred thirty thousand, three hundred twenty-one".