131650042 has 16 divisors (see below), whose sum is σ = 201470400. Its totient is φ = 64503648.

The previous prime is 131650037. The next prime is 131650081. The reversal of 131650042 is 240056131.

It is a junction number, because it is equal to n+sod(n) for n = 131649995 and 131650022.

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, 24198 + ... + 29134.

It is an arithmetic number, because the mean of its divisors is an integer number (12591900).

Almost surely, 2^131650042 is an apocalyptic number.

131650042 is a deficient number, since it is larger than the sum of its proper divisors (69820358).

131650042 is a wasteful number, since it uses less digits than its factorization.

131650042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 131650042 is about 11473.8852181813. The cubic root of 131650042 is about 508.7139737482.

The spelling of 131650042 in words is "one hundred thirty-one million, six hundred fifty thousand, forty-two".