131375026 has 4 divisors (see below), whose sum is σ = 197062542. Its totient is φ = 65687512.

The previous prime is 131375009. The next prime is 131375033. The reversal of 131375026 is 620573131.

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., 121771225 + 9603801 = 11035^2 + 3099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131374985 and 131375003.

It is an unprimeable number.

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, 32843755 + ... + 32843758.

Almost surely, 2^131375026 is an apocalyptic number.

131375026 is a deficient number, since it is larger than the sum of its proper divisors (65687516).

131375026 is an equidigital number, since it uses as much as digits as its factorization.

131375026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65687515.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 131375026 is about 11461.8945205407. The cubic root of 131375026 is about 508.3594935087.

The spelling of 131375026 in words is "one hundred thirty-one million, three hundred seventy-five thousand, twenty-six".