135347212 has 108 divisors (see below), whose sum is σ = 326892720. Its totient is φ = 48565440.

The previous prime is 135347207. The next prime is 135347231. The reversal of 135347212 is 212743531.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 308089 + ... + 308527.

Almost surely, 2^135347212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135347212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163446360).

135347212 is an abundant number, since it is smaller than the sum of its proper divisors (191545508).

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

135347212 is a wasteful number, since it uses less digits than its factorization.

135347212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 472 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 135347212 is about 11633.8820691977. The cubic root of 135347212 is about 513.4322031783.

It can be divided in two parts, 1353 and 47212, that multiplied together give a palindrome (63877836).

The spelling of 135347212 in words is "one hundred thirty-five million, three hundred forty-seven thousand, two hundred twelve".