131059345 has 4 divisors (see below), whose sum is σ = 157271220. Its totient is φ = 104847472.

The previous prime is 131059339. The next prime is 131059349. The reversal of 131059345 is 543950131.

It is a happy number.

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 64016001 + 67043344 = 8001^2 + 8188^2 .

It is a cyclic number.

It is not a de Polignac number, because 131059345 - 2⁹ = 131058833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131059349) 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 in 3 ways as a sum of consecutive naturals, for example, 13105930 + ... + 13105939.

It is an arithmetic number, because the mean of its divisors is an integer number (39317805).

Almost surely, 2^131059345 is an apocalyptic number.

It is an amenable number.

131059345 is a deficient number, since it is larger than the sum of its proper divisors (26211875).

131059345 is an equidigital number, since it uses as much as digits as its factorization.

131059345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26211874.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 131059345 is about 11448.1153470779. The cubic root of 131059345 is about 507.9519879914.

The spelling of 131059345 in words is "one hundred thirty-one million, fifty-nine thousand, three hundred forty-five".