135045143221252 has 192 divisors, whose sum is σ = 277899216860160. Its totient is φ = 57246295518720.

The previous prime is 135045143221201. The next prime is 135045143221283. The reversal of 135045143221252 is 252122341540531.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11298006508 + ... + 11298018460.

It is an arithmetic number, because the mean of its divisors is an integer number (1447391754480).

Almost surely, 2^{135045143221252} is an apocalyptic number.

It is an amenable number.

135045143221252 is an abundant number, since it is smaller than the sum of its proper divisors (142854073638908).

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

135045143221252 is a wasteful number, since it uses less digits than its factorization.

135045143221252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743 (or 13719 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 135045143221252 its reverse (252122341540531), we get a palindrome (387167484761783).

The spelling of 135045143221252 in words is "one hundred thirty-five trillion, forty-five billion, one hundred forty-three million, two hundred twenty-one thousand, two hundred fifty-two".