131002766 has 4 divisors (see below), whose sum is σ = 196504152. Its totient is φ = 65501382.

The previous prime is 131002759. The next prime is 131002769. The reversal of 131002766 is 667200131.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002769) by changing a digit.

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, 32750690 + ... + 32750693.

It is an arithmetic number, because the mean of its divisors is an integer number (49126038).

Almost surely, 2^131002766 is an apocalyptic number.

131002766 is a deficient number, since it is larger than the sum of its proper divisors (65501386).

131002766 is an equidigital number, since it uses as much as digits as its factorization.

131002766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65501385.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 131002766 is about 11445.6439748928. The cubic root of 131002766 is about 507.8788822998.

Adding to 131002766 its reverse (667200131), we get a palindrome (798202897).

The spelling of 131002766 in words is "one hundred thirty-one million, two thousand, seven hundred sixty-six".