133635122652 has 48 divisors (see below), whose sum is σ = 342497352960. Its totient is φ = 40365756288.

The previous prime is 133635122611. The next prime is 133635122653. The reversal of 133635122652 is 256221536331.

It is a self number, because there is not a number n which added to its sum of digits gives 133635122652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133635122653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12736473 + ... + 12746960.

It is an arithmetic number, because the mean of its divisors is an integer number (7135361520).

Almost surely, 2^133635122652 is an apocalyptic number.

133635122652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133635122652 is an abundant number, since it is smaller than the sum of its proper divisors (208862230308).

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

133635122652 is a wasteful number, since it uses less digits than its factorization.

133635122652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25483482 (or 25483480 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

Adding to 133635122652 its reverse (256221536331), we get a palindrome (389856658983).

The spelling of 133635122652 in words is "one hundred thirty-three billion, six hundred thirty-five million, one hundred twenty-two thousand, six hundred fifty-two".