135136246 has 32 divisors (see below), whose sum is σ = 249822720. Its totient is φ = 53524800.

The previous prime is 135136219. The next prime is 135136249. The reversal of 135136246 is 642631531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135136249) 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, 4711 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (7806960).

Almost surely, 2^135136246 is an apocalyptic number.

135136246 is a deficient number, since it is larger than the sum of its proper divisors (114686474).

135136246 is a wasteful number, since it uses less digits than its factorization.

135136246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12460.

The product of its digits is 12960, while the sum is 31.

The square root of 135136246 is about 11624.8116543882. The cubic root of 135136246 is about 513.1653018185.

Adding to 135136246 its reverse (642631531), we get a palindrome (777767777).

The spelling of 135136246 in words is "one hundred thirty-five million, one hundred thirty-six thousand, two hundred forty-six".