135420132 has 24 divisors (see below), whose sum is σ = 320698336. Its totient is φ = 44466048.

The previous prime is 135420119. The next prime is 135420137. The reversal of 135420132 is 231024531.

It is a super-2 number, since 2×135420132² = 36677224301794848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135420099 and 135420108.

It is not an unprimeable number, because it can be changed into a prime (135420137) 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, 83413 + ... + 85020.

Almost surely, 2^135420132 is an apocalyptic number.

135420132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135420132 is an abundant number, since it is smaller than the sum of its proper divisors (185278204).

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

135420132 is a wasteful number, since it uses less digits than its factorization.

135420132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168507 (or 168505 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 135420132 is about 11637.0155967928. The cubic root of 135420132 is about 513.5243926271.

Adding to 135420132 its reverse (231024531), we get a palindrome (366444663).

The spelling of 135420132 in words is "one hundred thirty-five million, four hundred twenty thousand, one hundred thirty-two".