131576738 has 8 divisors (see below), whose sum is σ = 197413788. Its totient is φ = 65772144.

The previous prime is 131576701. The next prime is 131576743. The reversal of 131576738 is 837675131.

It can be written as a sum of positive squares in 2 ways, for example, as 122832889 + 8743849 = 11083^2 + 2957^2 .

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 = 131576695 and 131576704.

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 in 3 ways as a sum of consecutive naturals, for example, 11720 + ... + 20012.

Almost surely, 2^131576738 is an apocalyptic number.

131576738 is a deficient number, since it is larger than the sum of its proper divisors (65837050).

131576738 is an equidigital number, since it uses as much as digits as its factorization.

131576738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228.

The product of its digits is 105840, while the sum is 41.

The square root of 131576738 is about 11470.6903889871. The cubic root of 131576738 is about 508.6195372862.

It can be divided in two parts, 13 and 1576738, that added together give a palindrome (1576751).

The spelling of 131576738 in words is "one hundred thirty-one million, five hundred seventy-six thousand, seven hundred thirty-eight".