135020212 has 12 divisors (see below), whose sum is σ = 246558816. Its totient is φ = 64574840.

The previous prime is 135020183. The next prime is 135020233. The reversal of 135020212 is 212020531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733714 + ... + 733897.

It is an arithmetic number, because the mean of its divisors is an integer number (20546568).

Almost surely, 2^135020212 is an apocalyptic number.

It is an amenable number.

135020212 is a deficient number, since it is larger than the sum of its proper divisors (111538604).

135020212 is a wasteful number, since it uses less digits than its factorization.

135020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467638 (or 1467636 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 135020212 is about 11619.8197920622. The cubic root of 135020212 is about 513.0183842320.

Adding to 135020212 its reverse (212020531), we get a palindrome (347040743).

The spelling of 135020212 in words is "one hundred thirty-five million, twenty thousand, two hundred twelve".