131710549 has 2 divisors, whose sum is σ = 131710550. Its totient is φ = 131710548.

The previous prime is 131710511. The next prime is 131710561. The reversal of 131710549 is 945017131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94439524 + 37271025 = 9718^2 + 6105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131710549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131710549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131710589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65855274 + 65855275.

It is an arithmetic number, because the mean of its divisors is an integer number (65855275).

Almost surely, 2^131710549 is an apocalyptic number.

It is an amenable number.

131710549 is a deficient number, since it is larger than the sum of its proper divisors (1).

131710549 is an equidigital number, since it uses as much as digits as its factorization.

131710549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 131710549 is about 11476.5216420307. The cubic root of 131710549 is about 508.7918976174.

The spelling of 131710549 in words is "one hundred thirty-one million, seven hundred ten thousand, five hundred forty-nine".