135420541244 has 24 divisors (see below), whose sum is σ = 245183652000. Its totient is φ = 65368560320.

The previous prime is 135420541231. The next prime is 135420541301. The reversal of 135420541244 is 442145024531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149182 + ... + 1261530.

It is an arithmetic number, because the mean of its divisors is an integer number (10215985500).

Almost surely, 2^135420541244 is an apocalyptic number.

It is an amenable number.

135420541244 is a deficient number, since it is larger than the sum of its proper divisors (109763110756).

135420541244 is a wasteful number, since it uses less digits than its factorization.

135420541244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122773 (or 122771 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 135420541244 its reverse (442145024531), we get a palindrome (577565565775).

The spelling of 135420541244 in words is "one hundred thirty-five billion, four hundred twenty million, five hundred forty-one thousand, two hundred forty-four".