131073133 has 4 divisors (see below), whose sum is σ = 131304060. Its totient is φ = 130842208.

The previous prime is 131073121. The next prime is 131073139. The reversal of 131073133 is 331370131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39162564 + 91910569 = 6258^2 + 9587^2 .

It is a cyclic number.

It is not a de Polignac number, because 131073133 - 2¹⁷ = 130942061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131073139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114610 + ... + 115747.

It is an arithmetic number, because the mean of its divisors is an integer number (32826015).

Almost surely, 2^131073133 is an apocalyptic number.

It is an amenable number.

131073133 is a deficient number, since it is larger than the sum of its proper divisors (230927).

131073133 is an equidigital number, since it uses as much as digits as its factorization.

131073133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230926.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 131073133 is about 11448.7175264306. The cubic root of 131073133 is about 507.9698002693.

The spelling of 131073133 in words is "one hundred thirty-one million, seventy-three thousand, one hundred thirty-three".