133020540121 has 24 divisors (see below), whose sum is σ = 164466818880. Its totient is φ = 105097165632.

The previous prime is 133020540113. The next prime is 133020540137. The reversal of 133020540121 is 121045020331.

It is a happy number.

It is not a de Polignac number, because 133020540121 - 2³ = 133020540113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133020540092 and 133020540101.

It is not an unprimeable number, because it can be changed into a prime (133020540421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183210 + ... + 547363.

It is an arithmetic number, because the mean of its divisors is an integer number (6852784120).

Almost surely, 2^133020540121 is an apocalyptic number.

It is an amenable number.

133020540121 is a deficient number, since it is larger than the sum of its proper divisors (31446278759).

133020540121 is an equidigital number, since it uses as much as digits as its factorization.

133020540121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730673 (or 730636 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 133020540121 its reverse (121045020331), we get a palindrome (254065560452).

The spelling of 133020540121 in words is "one hundred thirty-three billion, twenty million, five hundred forty thousand, one hundred twenty-one".