131409826 has 8 divisors (see below), whose sum is σ = 197340624. Its totient is φ = 65629620.

The previous prime is 131409823. The next prime is 131409869. The reversal of 131409826 is 628904131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131409791 and 131409800.

It is not an unprimeable number, because it can be changed into a prime (131409823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35440 + ... + 38971.

It is an arithmetic number, because the mean of its divisors is an integer number (24667578).

Almost surely, 2^131409826 is an apocalyptic number.

131409826 is a deficient number, since it is larger than the sum of its proper divisors (65930798).

131409826 is an equidigital number, since it uses as much as digits as its factorization.

131409826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75296.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 131409826 is about 11463.4124936687. The cubic root of 131409826 is about 508.4043760842.

The spelling of 131409826 in words is "one hundred thirty-one million, four hundred nine thousand, eight hundred twenty-six".