131409119 has 2 divisors, whose sum is σ = 131409120. Its totient is φ = 131409118.

The previous prime is 131409049. The next prime is 131409137. The reversal of 131409119 is 911904131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131409119 - 2²⁰ = 130360543 is a prime.

It is a super-2 number, since 2×131409119² = 34536713112712322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131409091 and 131409100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131409139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65704559 + 65704560.

It is an arithmetic number, because the mean of its divisors is an integer number (65704560).

Almost surely, 2^131409119 is an apocalyptic number.

131409119 is a deficient number, since it is larger than the sum of its proper divisors (1).

131409119 is an equidigital number, since it uses as much as digits as its factorization.

131409119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 131409119 is about 11463.3816563874. The cubic root of 131409119 is about 508.4034643245.

The spelling of 131409119 in words is "one hundred thirty-one million, four hundred nine thousand, one hundred nineteen".