131906246 has 16 divisors (see below), whose sum is σ = 208503600. Its totient is φ = 62412768.

The previous prime is 131906237. The next prime is 131906249. The reversal of 131906246 is 642609131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131906249) by changing a digit.

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, 54020 + ... + 56408.

It is an arithmetic number, because the mean of its divisors is an integer number (13031475).

Almost surely, 2^131906246 is an apocalyptic number.

131906246 is a deficient number, since it is larger than the sum of its proper divisors (76597354).

131906246 is a wasteful number, since it uses less digits than its factorization.

131906246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 131906246 is about 11485.0444491957. The cubic root of 131906246 is about 509.0437624726.

The spelling of 131906246 in words is "one hundred thirty-one million, nine hundred six thousand, two hundred forty-six".