135122255432 has 8 divisors (see below), whose sum is σ = 253354228950. Its totient is φ = 67561127712.

The previous prime is 135122255431. The next prime is 135122255441. The reversal of 135122255432 is 234552221531.

It can be written as a sum of positive squares in only one way, i.e., 134649366916 + 472888516 = 366946^2 + 21746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 135122255392 and 135122255401.

It is not an unprimeable number, because it can be changed into a prime (135122255431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8445140957 + ... + 8445140972.

Almost surely, 2^135122255432 is an apocalyptic number.

It is an amenable number.

135122255432 is a deficient number, since it is larger than the sum of its proper divisors (118231973518).

135122255432 is a wasteful number, since it uses less digits than its factorization.

135122255432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890281935 (or 16890281931 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

Adding to 135122255432 its reverse (234552221531), we get a palindrome (369674476963).

The spelling of 135122255432 in words is "one hundred thirty-five billion, one hundred twenty-two million, two hundred fifty-five thousand, four hundred thirty-two".