133020401665250 has 256 divisors, whose sum is σ = 284531827507200. Its totient is φ = 46119816288000.

The previous prime is 133020401665219. The next prime is 133020401665253. The reversal of 133020401665250 is 52566104020331.

It is not an unprimeable number, because it can be changed into a prime (133020401665253) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29435802491 + ... + 29435807009.

It is an arithmetic number, because the mean of its divisors is an integer number (1111452451200).

Almost surely, 2^{133020401665250} is an apocalyptic number.

133020401665250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133020401665250 is an abundant number, since it is smaller than the sum of its proper divisors (151511425841950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133020401665250 is a wasteful number, since it uses less digits than its factorization.

133020401665250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9096 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 133020401665250 its reverse (52566104020331), we get a palindrome (185586505685581).

The spelling of 133020401665250 in words is "one hundred thirty-three trillion, twenty billion, four hundred one million, six hundred sixty-five thousand, two hundred fifty".