131418805250 has 16 divisors (see below), whose sum is σ = 246016003896. Its totient is φ = 52567522000.

The previous prime is 131418805187. The next prime is 131418805307. The reversal of 131418805250 is 52508814131.

It can be written as a sum of positive squares in 4 ways, for example, as 81559934569 + 49858870681 = 285587^2 + 223291^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262837361 + ... + 262837860.

Almost surely, 2^131418805250 is an apocalyptic number.

131418805250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131418805250 is a deficient number, since it is larger than the sum of its proper divisors (114597198646).

131418805250 is an equidigital number, since it uses as much as digits as its factorization.

131418805250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525675238 (or 525675228 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 131418805250 in words is "one hundred thirty-one billion, four hundred eighteen million, eight hundred five thousand, two hundred fifty".