131158073 has 2 divisors, whose sum is σ = 131158074. Its totient is φ = 131158072.

The previous prime is 131158067. The next prime is 131158099. The reversal of 131158073 is 370851131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120055849 + 11102224 = 10957^2 + 3332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131158073 is a prime.

It is a super-2 number, since 2×131158073² = 34404880226146658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131158063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65579036 + 65579037.

It is an arithmetic number, because the mean of its divisors is an integer number (65579037).

Almost surely, 2^131158073 is an apocalyptic number.

It is an amenable number.

131158073 is a deficient number, since it is larger than the sum of its proper divisors (1).

131158073 is an equidigital number, since it uses as much as digits as its factorization.

131158073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 131158073 is about 11452.4265114429. The cubic root of 131158073 is about 508.0795040074.

The spelling of 131158073 in words is "one hundred thirty-one million, one hundred fifty-eight thousand, seventy-three".