131249296 has 10 divisors (see below), whose sum is σ = 254295542. Its totient is φ = 65624640.

The previous prime is 131249291. The next prime is 131249297. The reversal of 131249296 is 692942131.

It can be written as a sum of positive squares in only one way, i.e., 85821696 + 45427600 = 9264^2 + 6740^2 .

It is not an unprimeable number, because it can be changed into a prime (131249291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101525 + ... + 4101556.

Almost surely, 2^131249296 is an apocalyptic number.

131249296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131249296 is a deficient number, since it is larger than the sum of its proper divisors (123046246).

131249296 is an equidigital number, since it uses as much as digits as its factorization.

131249296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203089 (or 8203083 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 131249296 is about 11456.4085122695. The cubic root of 131249296 is about 508.1972697797.

The spelling of 131249296 in words is "one hundred thirty-one million, two hundred forty-nine thousand, two hundred ninety-six".