135245211 has 16 divisors (see below), whose sum is σ = 190064640. Its totient is φ = 85307040.

The previous prime is 135245207. The next prime is 135245213. The reversal of 135245211 is 112542531.

It is a happy number.

It is not a de Polignac number, because 135245211 - 2² = 135245207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135245213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83041 + ... + 84653.

It is an arithmetic number, because the mean of its divisors is an integer number (11879040).

Almost surely, 2^135245211 is an apocalyptic number.

135245211 is a deficient number, since it is larger than the sum of its proper divisors (54819429).

135245211 is a wasteful number, since it uses less digits than its factorization.

135245211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its digits is 1200, while the sum is 24.

The square root of 135245211 is about 11629.4974525987. The cubic root of 135245211 is about 513.3031923702.

Adding to 135245211 its reverse (112542531), we get a palindrome (247787742).

The spelling of 135245211 in words is "one hundred thirty-five million, two hundred forty-five thousand, two hundred eleven".