131334634 has 4 divisors (see below), whose sum is σ = 197001954. Its totient is φ = 65667316.

The previous prime is 131334617. The next prime is 131334641. The reversal of 131334634 is 436433131.

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., 120934009 + 10400625 = 10997^2 + 3225^2 .

It is an unprimeable number.

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, 32833657 + ... + 32833660.

Almost surely, 2^131334634 is an apocalyptic number.

131334634 is a deficient number, since it is larger than the sum of its proper divisors (65667320).

131334634 is an equidigital number, since it uses as much as digits as its factorization.

131334634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65667319.

The product of its digits is 7776, while the sum is 28.

The square root of 131334634 is about 11460.1323727084. The cubic root of 131334634 is about 508.3073888278.

Adding to 131334634 its reverse (436433131), we get a palindrome (567767765).

The spelling of 131334634 in words is "one hundred thirty-one million, three hundred thirty-four thousand, six hundred thirty-four".