135455521410040 has 64 divisors (see below), whose sum is σ = 330309716052960. Its totient is φ = 49695783621120.

The previous prime is 135455521410023. The next prime is 135455521410109. The reversal of 135455521410040 is 40014125554531.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 135455521409975 and 135455521410002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829508766 + ... + 829672045.

Almost surely, 2^{135455521410040} is an apocalyptic number.

135455521410040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135455521410040 is an abundant number, since it is smaller than the sum of its proper divisors (194854194642920).

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

135455521410040 is a wasteful number, since it uses less digits than its factorization.

135455521410040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659180992 (or 1659180988 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 135455521410040 its reverse (40014125554531), we get a palindrome (175469646964571).

The spelling of 135455521410040 in words is "one hundred thirty-five trillion, four hundred fifty-five billion, five hundred twenty-one million, four hundred ten thousand, forty".