131340850 has 12 divisors (see below), whose sum is σ = 244294074. Its totient is φ = 52536320.

The previous prime is 131340829. The next prime is 131340851. The reversal of 131340850 is 58043131.

It can be written as a sum of positive squares in 3 ways, for example, as 110061081 + 21279769 = 10491^2 + 4613^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (131340851) 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 in 5 ways as a sum of consecutive naturals, for example, 1313359 + ... + 1313458.

Almost surely, 2^131340850 is an apocalyptic number.

131340850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131340850 is a deficient number, since it is larger than the sum of its proper divisors (112953224).

131340850 is a wasteful number, since it uses less digits than its factorization.

131340850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626829 (or 2626824 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 131340850 is about 11460.4035705554. The cubic root of 131340850 is about 508.3154080096.

Adding to 131340850 its reverse (58043131), we get a palindrome (189383981).

The spelling of 131340850 in words is "one hundred thirty-one million, three hundred forty thousand, eight hundred fifty".