131384236 has 6 divisors (see below), whose sum is σ = 229922420. Its totient is φ = 65692116.

The previous prime is 131384207. The next prime is 131384237. The reversal of 131384236 is 632483131.

It is a junction number, because it is equal to n+sod(n) for n = 131384198 and 131384207.

It is not an unprimeable number, because it can be changed into a prime (131384237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16423026 + ... + 16423033.

Almost surely, 2^131384236 is an apocalyptic number.

It is an amenable number.

131384236 is a deficient number, since it is larger than the sum of its proper divisors (98538184).

131384236 is a wasteful number, since it uses less digits than its factorization.

131384236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32846063 (or 32846061 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 131384236 is about 11462.2962795419. The cubic root of 131384236 is about 508.3713726857.

The spelling of 131384236 in words is "one hundred thirty-one million, three hundred eighty-four thousand, two hundred thirty-six".