131764106 has 8 divisors (see below), whose sum is σ = 197908164. Its totient is φ = 65794720.

The previous prime is 131764091. The next prime is 131764109. The reversal of 131764106 is 601467131.

It can be written as a sum of positive squares in 2 ways, for example, as 89397025 + 42367081 = 9455^2 + 6509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131764109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41765 + ... + 44808.

Almost surely, 2^131764106 is an apocalyptic number.

131764106 is a deficient number, since it is larger than the sum of its proper divisors (66144058).

131764106 is an equidigital number, since it uses as much as digits as its factorization.

131764106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87336.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 131764106 is about 11478.8547338138. The cubic root of 131764106 is about 508.8608510289.

It can be divided in two parts, 13 and 1764106, that multiplied together give a triangular number (22933378 = T₆₇₇₂).

The spelling of 131764106 in words is "one hundred thirty-one million, seven hundred sixty-four thousand, one hundred six".