131374550 has 24 divisors (see below), whose sum is σ = 257219400. Its totient is φ = 49783680.

The previous prime is 131374519. The next prime is 131374561. The reversal of 131374550 is 55473131.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 68195 + ... + 70094.

It is an arithmetic number, because the mean of its divisors is an integer number (10717475).

Almost surely, 2^131374550 is an apocalyptic number.

131374550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131374550 is a deficient number, since it is larger than the sum of its proper divisors (125844850).

131374550 is a wasteful number, since it uses less digits than its factorization.

131374550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138320 (or 138315 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 131374550 is about 11461.8737560662. The cubic root of 131374550 is about 508.3588795427.

The spelling of 131374550 in words is "one hundred thirty-one million, three hundred seventy-four thousand, five hundred fifty".