131376226 has 4 divisors (see below), whose sum is σ = 197064342. Its totient is φ = 65688112.

The previous prime is 131376197. The next prime is 131376227. The reversal of 131376226 is 622673131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622673131 = 7369 ⋅84499.

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 159201 = 11455^2 + 399^2 .

It is not an unprimeable number, because it can be changed into a prime (131376227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32844055 + ... + 32844058.

Almost surely, 2^131376226 is an apocalyptic number.

131376226 is a deficient number, since it is larger than the sum of its proper divisors (65688116).

131376226 is an equidigital number, since it uses as much as digits as its factorization.

131376226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65688115.

The product of its digits is 9072, while the sum is 31.

The square root of 131376226 is about 11461.9468677882. The cubic root of 131376226 is about 508.3610413157.

The spelling of 131376226 in words is "one hundred thirty-one million, three hundred seventy-six thousand, two hundred twenty-six".