131420339 has 2 divisors, whose sum is σ = 131420340. Its totient is φ = 131420338.

The previous prime is 131420327. The next prime is 131420347. The reversal of 131420339 is 933024131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131420339 - 2⁴ = 131420323 is a prime.

It is a Sophie Germain prime.

It is equal to p_7454231 and since 131420339 and 7454231 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (131420309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65710169 + 65710170.

It is an arithmetic number, because the mean of its divisors is an integer number (65710170).

Almost surely, 2^131420339 is an apocalyptic number.

131420339 is a deficient number, since it is larger than the sum of its proper divisors (1).

131420339 is an equidigital number, since it uses as much as digits as its factorization.

131420339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 131420339 is about 11463.8710303283. The cubic root of 131420339 is about 508.4179334486.

The spelling of 131420339 in words is "one hundred thirty-one million, four hundred twenty thousand, three hundred thirty-nine".