135212345432 has 8 divisors (see below), whose sum is σ = 253523147700. Its totient is φ = 67606172712.

The previous prime is 135212345419. The next prime is 135212345497. The reversal of 135212345432 is 234543212531.

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 = 135212345392 and 135212345401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450771582 + ... + 8450771597.

Almost surely, 2^135212345432 is an apocalyptic number.

It is an amenable number.

135212345432 is a deficient number, since it is larger than the sum of its proper divisors (118310802268).

135212345432 is a wasteful number, since it uses less digits than its factorization.

135212345432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16901543185 (or 16901543181 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 135212345432 its reverse (234543212531), we get a palindrome (369755557963).

The spelling of 135212345432 in words is "one hundred thirty-five billion, two hundred twelve million, three hundred forty-five thousand, four hundred thirty-two".