135141132 has 24 divisors (see below), whose sum is σ = 360376576. Its totient is φ = 38611728.

The previous prime is 135141119. The next prime is 135141133. The reversal of 135141132 is 231141531.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 135141099 and 135141108.

It is not an unprimeable number, because it can be changed into a prime (135141133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804328 + ... + 804495.

Almost surely, 2^135141132 is an apocalyptic number.

135141132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135141132 is an abundant number, since it is smaller than the sum of its proper divisors (225235444).

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

135141132 is a wasteful number, since it uses less digits than its factorization.

135141132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608837 (or 1608835 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 135141132 is about 11625.0218064312. The cubic root of 135141132 is about 513.1714864297.

Adding to 135141132 its reverse (231141531), we get a palindrome (366282663).

The spelling of 135141132 in words is "one hundred thirty-five million, one hundred forty-one thousand, one hundred thirty-two".