135405543132 has 30 divisors (see below), whose sum is σ = 353976837368. Its totient is φ = 45135180936.

The previous prime is 135405543131. The next prime is 135405543137. The reversal of 135405543132 is 231345504531.

135405543132 is a `hidden beast` number, since 1 + 3 + 5 + 40 + 554 + 31 + 32 = 666.

It is a super-2 number, since 2×135405543132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135405543131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 208958848 + ... + 208959495.

Almost surely, 2^135405543132 is an apocalyptic number.

135405543132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135405543132 is an abundant number, since it is smaller than the sum of its proper divisors (218571294236).

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

135405543132 is a wasteful number, since it uses less digits than its factorization.

135405543132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417918359 (or 417918348 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 135405543132 in words is "one hundred thirty-five billion, four hundred five million, five hundred forty-three thousand, one hundred thirty-two".