135267155205240 has 64 divisors (see below), whose sum is σ = 406580355372960. Its totient is φ = 36002006743040.

The previous prime is 135267155205209. The next prime is 135267155205241. The reversal of 135267155205240 is 42502551762531.

It is a self number, because there is not a number n which added to its sum of digits gives 135267155205240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135267155205241) 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, 1081728549 + ... + 1081853588.

Almost surely, 2^{135267155205240} is an apocalyptic number.

135267155205240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135267155205240 is an abundant number, since it is smaller than the sum of its proper divisors (271313200167720).

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

135267155205240 is a wasteful number, since it uses less digits than its factorization.

135267155205240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163582672 (or 2163582668 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 48.

The spelling of 135267155205240 in words is "one hundred thirty-five trillion, two hundred sixty-seven billion, one hundred fifty-five million, two hundred five thousand, two hundred forty".