131828247 has 6 divisors (see below), whose sum is σ = 190418592. Its totient is φ = 87885492.

The previous prime is 131828237. The next prime is 131828267. The reversal of 131828247 is 742828131.

It is not a de Polignac number, because 131828247 - 2⁴ = 131828231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131828237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7323783 + ... + 7323800.

It is an arithmetic number, because the mean of its divisors is an integer number (31736432).

Almost surely, 2^131828247 is an apocalyptic number.

131828247 is a deficient number, since it is larger than the sum of its proper divisors (58590345).

131828247 is a wasteful number, since it uses less digits than its factorization.

131828247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14647589 (or 14647586 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 131828247 is about 11481.6482701745. The cubic root of 131828247 is about 508.9434065144.

The spelling of 131828247 in words is "one hundred thirty-one million, eight hundred twenty-eight thousand, two hundred forty-seven".