131474773 has 2 divisors, whose sum is σ = 131474774. Its totient is φ = 131474772.

The previous prime is 131474743. The next prime is 131474789. The reversal of 131474773 is 377474131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93257649 + 38217124 = 9657^2 + 6182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131474773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131474713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65737386 + 65737387.

It is an arithmetic number, because the mean of its divisors is an integer number (65737387).

Almost surely, 2^131474773 is an apocalyptic number.

It is an amenable number.

131474773 is a deficient number, since it is larger than the sum of its proper divisors (1).

131474773 is an equidigital number, since it uses as much as digits as its factorization.

131474773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 37.

The square root of 131474773 is about 11466.2449389502. The cubic root of 131474773 is about 508.4881189360.

The spelling of 131474773 in words is "one hundred thirty-one million, four hundred seventy-four thousand, seven hundred seventy-three".