135540205532 has 12 divisors (see below), whose sum is σ = 249679326120. Its totient is φ = 64203255216.

The previous prime is 135540205523. The next prime is 135540205553. The reversal of 135540205532 is 235502045531.

It is a super-2 number, since 2×135540205532² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135540205492 and 135540205501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891711803 + ... + 891711954.

It is an arithmetic number, because the mean of its divisors is an integer number (20806610510).

Almost surely, 2^135540205532 is an apocalyptic number.

It is an amenable number.

135540205532 is a deficient number, since it is larger than the sum of its proper divisors (114139120588).

135540205532 is a wasteful number, since it uses less digits than its factorization.

135540205532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783423780 (or 1783423778 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 135540205532 in words is "one hundred thirty-five billion, five hundred forty million, two hundred five thousand, five hundred thirty-two".