131450849 has 2 divisors, whose sum is σ = 131450850. Its totient is φ = 131450848.

The previous prime is 131450833. The next prime is 131450897. The reversal of 131450849 is 948054131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131446225 + 4624 = 11465^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 131450849 - 2⁴ = 131450833 is a prime.

It is not a weakly prime, because it can be changed into another prime (131453849) 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, 65725424 + 65725425.

It is an arithmetic number, because the mean of its divisors is an integer number (65725425).

Almost surely, 2^131450849 is an apocalyptic number.

It is an amenable number.

131450849 is a deficient number, since it is larger than the sum of its proper divisors (1).

131450849 is an equidigital number, since it uses as much as digits as its factorization.

131450849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 131450849 is about 11465.2016554442. The cubic root of 131450849 is about 508.4572744695.

The spelling of 131450849 in words is "one hundred thirty-one million, four hundred fifty thousand, eight hundred forty-nine".