135015212 has 6 divisors (see below), whose sum is σ = 236276628. Its totient is φ = 67507604.

The previous prime is 135015191. The next prime is 135015217. The reversal of 135015212 is 212510531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135015217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16876898 + ... + 16876905.

It is an arithmetic number, because the mean of its divisors is an integer number (39379438).

Almost surely, 2^135015212 is an apocalyptic number.

It is an amenable number.

135015212 is a deficient number, since it is larger than the sum of its proper divisors (101261416).

135015212 is a wasteful number, since it uses less digits than its factorization.

135015212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33753807 (or 33753805 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 135015212 is about 11619.6046404342. The cubic root of 135015212 is about 513.0120515416.

Adding to 135015212 its reverse (212510531), we get a palindrome (347525743).

The spelling of 135015212 in words is "one hundred thirty-five million, fifteen thousand, two hundred twelve".