135240044551041 has 16 divisors (see below), whose sum is σ = 180390222448640. Its totient is φ = 90124952959440.

The previous prime is 135240044550979. The next prime is 135240044551067. The reversal of 135240044551041 is 140155440042531.

It is not a de Polignac number, because 135240044551041 - 2¹⁸ = 135240044288897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135240044559041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113944986 + ... + 115125756.

It is an arithmetic number, because the mean of its divisors is an integer number (11274388903040).

Almost surely, 2^{135240044551041} is an apocalyptic number.

It is an amenable number.

135240044551041 is a deficient number, since it is larger than the sum of its proper divisors (45150177897599).

135240044551041 is a wasteful number, since it uses less digits than its factorization.

135240044551041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195596.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 135240044551041 its reverse (140155440042531), we get a palindrome (275395484593572).

The spelling of 135240044551041 in words is "one hundred thirty-five trillion, two hundred forty billion, forty-four million, five hundred fifty-one thousand, forty-one".