135206321336054 has 16 divisors (see below), whose sum is σ = 208642251516192. Its totient is φ = 65683671763008.

The previous prime is 135206321336033. The next prime is 135206321336059. The reversal of 135206321336054 is 450633123602531.

135206321336054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135206321336054² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135206321335996 and 135206321336014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135206321336059) 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, 6191888759 + ... + 6191910594.

It is an arithmetic number, because the mean of its divisors is an integer number (13040140719762).

Almost surely, 2^{135206321336054} is an apocalyptic number.

135206321336054 is a deficient number, since it is larger than the sum of its proper divisors (73435930180138).

135206321336054 is a wasteful number, since it uses less digits than its factorization.

135206321336054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383799511.

The product of its (nonzero) digits is 1166400, while the sum is 44.

Adding to 135206321336054 its reverse (450633123602531), we get a palindrome (585839444938585).

The spelling of 135206321336054 in words is "one hundred thirty-five trillion, two hundred six billion, three hundred twenty-one million, three hundred thirty-six thousand, fifty-four".