131136212 has 12 divisors (see below), whose sum is σ = 229899936. Its totient is φ = 65450520.

The previous prime is 131136211. The next prime is 131136259. The reversal of 131136212 is 212631131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131136211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26864 + ... + 31367.

It is an arithmetic number, because the mean of its divisors is an integer number (19158328).

Almost surely, 2^131136212 is an apocalyptic number.

It is an amenable number.

131136212 is a deficient number, since it is larger than the sum of its proper divisors (98763724).

131136212 is a wasteful number, since it uses less digits than its factorization.

131136212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58798 (or 58796 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 131136212 is about 11451.4720451128. The cubic root of 131136212 is about 508.0512740938.

Adding to 131136212 its reverse (212631131), we get a palindrome (343767343).

The spelling of 131136212 in words is "one hundred thirty-one million, one hundred thirty-six thousand, two hundred twelve".