131485183 has 2 divisors, whose sum is σ = 131485184. Its totient is φ = 131485182.

The previous prime is 131485171. The next prime is 131485219. The reversal of 131485183 is 381584131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131485183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131485153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65742591 + 65742592.

It is an arithmetic number, because the mean of its divisors is an integer number (65742592).

Almost surely, 2^131485183 is an apocalyptic number.

131485183 is a deficient number, since it is larger than the sum of its proper divisors (1).

131485183 is an equidigital number, since it uses as much as digits as its factorization.

131485183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 131485183 is about 11466.6988710788. The cubic root of 131485183 is about 508.5015390558.

The spelling of 131485183 in words is "one hundred thirty-one million, four hundred eighty-five thousand, one hundred eighty-three".