135620132 has 6 divisors (see below), whose sum is σ = 237335238. Its totient is φ = 67810064.

The previous prime is 135620117. The next prime is 135620171. The reversal of 135620132 is 231026531.

It can be written as a sum of positive squares in only one way, i.e., 133079296 + 2540836 = 11536^2 + 1594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135620098 and 135620107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16952513 + ... + 16952520.

It is an arithmetic number, because the mean of its divisors is an integer number (39555873).

Almost surely, 2^135620132 is an apocalyptic number.

It is an amenable number.

135620132 is a deficient number, since it is larger than the sum of its proper divisors (101715106).

135620132 is a wasteful number, since it uses less digits than its factorization.

135620132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33905037 (or 33905035 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 135620132 is about 11645.6056948533. The cubic root of 135620132 is about 513.7770738135. Note that the first 3 decimals are identical.

Adding to 135620132 its reverse (231026531), we get a palindrome (366646663).

The spelling of 135620132 in words is "one hundred thirty-five million, six hundred twenty thousand, one hundred thirty-two".