135311053121 has 8 divisors (see below), whose sum is σ = 143276563584. Its totient is φ = 127346213440.

The previous prime is 135311053091. The next prime is 135311053123. The reversal of 135311053121 is 121350113531.

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 a de Polignac number, because none of the positive numbers 2^k-135311053121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135311053123) 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, 282116 + ... + 591786.

It is an arithmetic number, because the mean of its divisors is an integer number (17909570448).

Almost surely, 2^135311053121 is an apocalyptic number.

It is an amenable number.

135311053121 is a deficient number, since it is larger than the sum of its proper divisors (7965510463).

135311053121 is a wasteful number, since it uses less digits than its factorization.

135311053121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335391.

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

Adding to 135311053121 its reverse (121350113531), we get a palindrome (256661166652).

The spelling of 135311053121 in words is "one hundred thirty-five billion, three hundred eleven million, fifty-three thousand, one hundred twenty-one".