131442359 has 4 divisors (see below), whose sum is σ = 131473704. Its totient is φ = 131411016.

The previous prime is 131442349. The next prime is 131442427. The reversal of 131442359 is 953244131.

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

It is a cyclic number.

It is not a de Polignac number, because 131442359 - 2⁴ = 131442343 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 (131442319) 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, 8192 + ... + 18165.

It is an arithmetic number, because the mean of its divisors is an integer number (32868426).

Almost surely, 2^131442359 is an apocalyptic number.

131442359 is a deficient number, since it is larger than the sum of its proper divisors (31345).

131442359 is an equidigital number, since it uses as much as digits as its factorization.

131442359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31344.

The product of its digits is 12960, while the sum is 32.

The square root of 131442359 is about 11464.8313986731. The cubic root of 131442359 is about 508.4463276777.

The spelling of 131442359 in words is "one hundred thirty-one million, four hundred forty-two thousand, three hundred fifty-nine".