135401054523540 has 48 divisors (see below), whose sum is σ = 408286256719488. Its totient is φ = 33329490344064.

The previous prime is 135401054523523. The next prime is 135401054523629. The reversal of 135401054523540 is 45325450104531.

It is a junction number, because it is equal to n+sod(n) for n = 135401054523492 and 135401054523501.

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, 86795546992 + ... + 86795548551.

It is an arithmetic number, because the mean of its divisors is an integer number (8505963681656).

Almost surely, 2^{135401054523540} is an apocalyptic number.

135401054523540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135401054523540 is an abundant number, since it is smaller than the sum of its proper divisors (272885202195948).

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

135401054523540 is a wasteful number, since it uses less digits than its factorization.

135401054523540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173591095568 (or 173591095566 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 135401054523540 in words is "one hundred thirty-five trillion, four hundred one billion, fifty-four million, five hundred twenty-three thousand, five hundred forty".