131726410226 has 4 divisors (see below), whose sum is σ = 197589615342. Its totient is φ = 65863205112.

The previous prime is 131726410223. The next prime is 131726410243. The reversal of 131726410226 is 622014627131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124998309601 + 6728100625 = 353551^2 + 82025^2 .

It is not an unprimeable number, because it can be changed into a prime (131726410223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32931602555 + ... + 32931602558.

Almost surely, 2^131726410226 is an apocalyptic number.

131726410226 is a deficient number, since it is larger than the sum of its proper divisors (65863205116).

131726410226 is an equidigital number, since it uses as much as digits as its factorization.

131726410226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65863205115.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 131726410226 in words is "one hundred thirty-one billion, seven hundred twenty-six million, four hundred ten thousand, two hundred twenty-six".