135240444245 has 8 divisors (see below), whose sum is σ = 169344556416. Its totient is φ = 103488339856.

The previous prime is 135240444239. The next prime is 135240444247. The reversal of 135240444245 is 542444042531.

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

It is a cyclic number.

It is not a de Polignac number, because 135240444245 - 2¹² = 135240440149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135240444199 and 135240444208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135240444247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588001817 + ... + 588002046.

It is an arithmetic number, because the mean of its divisors is an integer number (21168069552).

Almost surely, 2^135240444245 is an apocalyptic number.

It is an amenable number.

135240444245 is a deficient number, since it is larger than the sum of its proper divisors (34104112171).

135240444245 is a wasteful number, since it uses less digits than its factorization.

135240444245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176003891.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 135240444245 its reverse (542444042531), we get a palindrome (677684486776).

The spelling of 135240444245 in words is "one hundred thirty-five billion, two hundred forty million, four hundred forty-four thousand, two hundred forty-five".