131763239 has 2 divisors, whose sum is σ = 131763240. Its totient is φ = 131763238.

The previous prime is 131763227. The next prime is 131763257. The reversal of 131763239 is 932367131.

It is a weak prime.

It is an emirp because it is prime and its reverse (932367131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131763239 - 2¹² = 131759143 is a prime.

It is a super-2 number, since 2×131763239² = 34723102303542242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 131763199 and 131763208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131763839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65881619 + 65881620.

It is an arithmetic number, because the mean of its divisors is an integer number (65881620).

Almost surely, 2^131763239 is an apocalyptic number.

131763239 is a deficient number, since it is larger than the sum of its proper divisors (1).

131763239 is an equidigital number, since it uses as much as digits as its factorization.

131763239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 35.

The square root of 131763239 is about 11478.8169686601. The cubic root of 131763239 is about 508.8597349350.

The spelling of 131763239 in words is "one hundred thirty-one million, seven hundred sixty-three thousand, two hundred thirty-nine".