135525040042 has 8 divisors (see below), whose sum is σ = 232328640096. Its totient is φ = 58082160012.

The previous prime is 135525040037. The next prime is 135525040061. The reversal of 135525040042 is 240040525531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 135525039986 and 135525040013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4840179988 + ... + 4840180015.

It is an arithmetic number, because the mean of its divisors is an integer number (29041080012).

Almost surely, 2^135525040042 is an apocalyptic number.

135525040042 is a deficient number, since it is larger than the sum of its proper divisors (96803600054).

135525040042 is an equidigital number, since it uses as much as digits as its factorization.

135525040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680360012.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 135525040042 its reverse (240040525531), we get a palindrome (375565565573).

The spelling of 135525040042 in words is "one hundred thirty-five billion, five hundred twenty-five million, forty thousand, forty-two".