135021111353 has 8 divisors (see below), whose sum is σ = 135710064000. Its totient is φ = 134332263648.

The previous prime is 135021111349. The next prime is 135021111359. The reversal of 135021111353 is 353111120531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135021111353 - 2² = 135021111349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135021111359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760468 + ... + 4788746.

It is an arithmetic number, because the mean of its divisors is an integer number (16963758000).

Almost surely, 2^135021111353 is an apocalyptic number.

It is an amenable number.

135021111353 is a deficient number, since it is larger than the sum of its proper divisors (688952647).

135021111353 is a wasteful number, since it uses less digits than its factorization.

135021111353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52471.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 135021111353 its reverse (353111120531), we get a palindrome (488132231884).

The spelling of 135021111353 in words is "one hundred thirty-five billion, twenty-one million, one hundred eleven thousand, three hundred fifty-three".