135542642032 has 60 divisors (see below), whose sum is σ = 316023779880. Its totient is φ = 56086601088.

The previous prime is 135542642023. The next prime is 135542642051. The reversal of 135542642032 is 230246245531.

It is a junction number, because it is equal to n+sod(n) for n = 135542641982 and 135542642000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2958058 + ... + 3003529.

It is an arithmetic number, because the mean of its divisors is an integer number (5267062998).

Almost surely, 2^135542642032 is an apocalyptic number.

It is an amenable number.

135542642032 is an abundant number, since it is smaller than the sum of its proper divisors (180481137848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135542642032 is a wasteful number, since it uses less digits than its factorization.

135542642032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961638 (or 5961625 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 135542642032 its reverse (230246245531), we get a palindrome (365788887563).

The spelling of 135542642032 in words is "one hundred thirty-five billion, five hundred forty-two million, six hundred forty-two thousand, thirty-two".