131147836 has 6 divisors (see below), whose sum is σ = 229508720. Its totient is φ = 65573916.

The previous prime is 131147833. The next prime is 131147837. The reversal of 131147836 is 638741131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131147833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16393476 + ... + 16393483.

Almost surely, 2^131147836 is an apocalyptic number.

It is an amenable number.

131147836 is a deficient number, since it is larger than the sum of its proper divisors (98360884).

131147836 is a wasteful number, since it uses less digits than its factorization.

131147836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32786963 (or 32786961 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 131147836 is about 11451.9795668697. The cubic root of 131147836 is about 508.0662849832.

Adding to 131147836 its reverse (638741131), we get a palindrome (769888967).

The spelling of 131147836 in words is "one hundred thirty-one million, one hundred forty-seven thousand, eight hundred thirty-six".