135620134 has 12 divisors (see below), whose sum is σ = 220282956. Its totient is φ = 62593752.

The previous prime is 135620117. The next prime is 135620171. The reversal of 135620134 is 431026531.

It is a junction number, because it is equal to n+sod(n) for n = 135620099 and 135620108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200284 + ... + 200959.

It is an arithmetic number, because the mean of its divisors is an integer number (18356913).

Almost surely, 2^135620134 is an apocalyptic number.

135620134 is a deficient number, since it is larger than the sum of its proper divisors (84662822).

135620134 is a wasteful number, since it uses less digits than its factorization.

135620134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401271 (or 401258 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 135620134 is about 11645.6057807226. The cubic root of 135620134 is about 513.7770763391. Note that the first 3 decimals are identical.

Adding to 135620134 its reverse (431026531), we get a palindrome (566646665).

The spelling of 135620134 in words is "one hundred thirty-five million, six hundred twenty thousand, one hundred thirty-four".