131663950 has 24 divisors (see below), whose sum is σ = 267159240. Its totient is φ = 47877600.

The previous prime is 131663947. The next prime is 131663957. The reversal of 131663950 is 59366131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131663957) 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 11 ways as a sum of consecutive naturals, for example, 119145 + ... + 120244.

It is an arithmetic number, because the mean of its divisors is an integer number (11131635).

Almost surely, 2^131663950 is an apocalyptic number.

131663950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131663950 is an abundant number, since it is smaller than the sum of its proper divisors (135495290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131663950 is a wasteful number, since it uses less digits than its factorization.

131663950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239412 (or 239407 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 131663950 is about 11474.4912741263. The cubic root of 131663950 is about 508.7318872627.

The spelling of 131663950 in words is "one hundred thirty-one million, six hundred sixty-three thousand, nine hundred fifty".