131603826 has 8 divisors (see below), whose sum is σ = 263207664. Its totient is φ = 43867940.

The previous prime is 131603819. The next prime is 131603831. The reversal of 131603826 is 628306131.

It is a sphenic number, since it is the product of 3 distinct primes.

131603826 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 131603793 and 131603802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10966980 + ... + 10966991.

It is an arithmetic number, because the mean of its divisors is an integer number (32900958).

Almost surely, 2^131603826 is an apocalyptic number.

131603826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131603826 is a wasteful number, since it uses less digits than its factorization.

131603826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21933976.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 131603826 is about 11471.8710766814. The cubic root of 131603826 is about 508.6544384419.

Adding to 131603826 its reverse (628306131), we get a palindrome (759909957).

The spelling of 131603826 in words is "one hundred thirty-one million, six hundred three thousand, eight hundred twenty-six".