135620120 has 32 divisors (see below), whose sum is σ = 305698320. Its totient is φ = 54149760.

The previous prime is 135620117. The next prime is 135620171. The reversal of 135620120 is 21026531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 135620092 and 135620101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21755 + ... + 27285.

Almost surely, 2^135620120 is an apocalyptic number.

135620120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135620120 is an abundant number, since it is smaller than the sum of its proper divisors (170078200).

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

135620120 is a wasteful number, since it uses less digits than its factorization.

135620120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155 (or 6151 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 135620120 is about 11645.6051796375. The cubic root of 135620120 is about 513.7770586601. Note that the first 3 decimals are identical.

Adding to 135620120 its reverse (21026531), we get a palindrome (156646651).

The spelling of 135620120 in words is "one hundred thirty-five million, six hundred twenty thousand, one hundred twenty".