131827838 has 4 divisors (see below), whose sum is σ = 197741760. Its totient is φ = 65913918.

The previous prime is 131827837. The next prime is 131827867. The reversal of 131827838 is 838728131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838728131 = 2729 ⋅307339.

It is a junction number, because it is equal to n+sod(n) for n = 131827795 and 131827804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131827831) 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 as a sum of consecutive naturals, namely, 32956958 + ... + 32956961.

It is an arithmetic number, because the mean of its divisors is an integer number (49435440).

Almost surely, 2^131827838 is an apocalyptic number.

131827838 is a deficient number, since it is larger than the sum of its proper divisors (65913922).

131827838 is an equidigital number, since it uses as much as digits as its factorization.

131827838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65913921.

The product of its digits is 64512, while the sum is 41.

The square root of 131827838 is about 11481.6304591291. The cubic root of 131827838 is about 508.9428801779.

The spelling of 131827838 in words is "one hundred thirty-one million, eight hundred twenty-seven thousand, eight hundred thirty-eight".