133321353025 has 24 divisors (see below), whose sum is σ = 188965744704. Its totient is φ = 91405675200.

The previous prime is 133321352939. The next prime is 133321353029. The reversal of 133321353025 is 520353123331.

It is not a de Polignac number, because 133321353025 - 2⁹ = 133321352513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133321353029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1093794 + ... + 1209556.

It is an arithmetic number, because the mean of its divisors is an integer number (7873572696).

Almost surely, 2^133321353025 is an apocalyptic number.

It is an amenable number.

133321353025 is a deficient number, since it is larger than the sum of its proper divisors (55644391679).

133321353025 is a wasteful number, since it uses less digits than its factorization.

133321353025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122361 (or 122356 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 133321353025 its reverse (520353123331), we get a palindrome (653674476356).

The spelling of 133321353025 in words is "one hundred thirty-three billion, three hundred twenty-one million, three hundred fifty-three thousand, twenty-five".