131636612 has 12 divisors (see below), whose sum is σ = 231354396. Its totient is φ = 65535360.

The previous prime is 131636599. The next prime is 131636621. The reversal of 131636612 is 216636131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75446596 + 56190016 = 8686^2 + 7496^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69689 + ... + 71552.

It is an arithmetic number, because the mean of its divisors is an integer number (19279533).

Almost surely, 2^131636612 is an apocalyptic number.

It is an amenable number.

131636612 is a deficient number, since it is larger than the sum of its proper divisors (99717784).

131636612 is a wasteful number, since it uses less digits than its factorization.

131636612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141478 (or 141476 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 131636612 is about 11473.2999612143. The cubic root of 131636612 is about 508.6966747007.

The spelling of 131636612 in words is "one hundred thirty-one million, six hundred thirty-six thousand, six hundred twelve".