133053209520 has 320 divisors, whose sum is σ = 515349872640. Its totient is φ = 27587865600.

The previous prime is 133053209489. The next prime is 133053209543. The reversal of 133053209520 is 25902350331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8844405 + ... + 8859435.

It is an arithmetic number, because the mean of its divisors is an integer number (1610468352).

Almost surely, 2^133053209520 is an apocalyptic number.

133053209520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133053209520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257674936320).

133053209520 is an abundant number, since it is smaller than the sum of its proper divisors (382296663120).

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

133053209520 is a wasteful number, since it uses less digits than its factorization.

133053209520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544 (or 15538 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

Adding to 133053209520 its reverse (25902350331), we get a palindrome (158955559851).

The spelling of 133053209520 in words is "one hundred thirty-three billion, fifty-three million, two hundred nine thousand, five hundred twenty".