131546047 has 2 divisors, whose sum is σ = 131546048. Its totient is φ = 131546046.

The previous prime is 131546033. The next prime is 131546057. The reversal of 131546047 is 740645131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131546047 - 2²³ = 123157439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131546057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65773023 + 65773024.

It is an arithmetic number, because the mean of its divisors is an integer number (65773024).

Almost surely, 2^131546047 is an apocalyptic number.

131546047 is a deficient number, since it is larger than the sum of its proper divisors (1).

131546047 is an equidigital number, since it uses as much as digits as its factorization.

131546047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 131546047 is about 11469.3525100591. The cubic root of 131546047 is about 508.5799881067.

The spelling of 131546047 in words is "one hundred thirty-one million, five hundred forty-six thousand, forty-seven".