131135366 has 4 divisors (see below), whose sum is σ = 196703052. Its totient is φ = 65567682.

The previous prime is 131135353. The next prime is 131135371. The reversal of 131135366 is 663531131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32783840 + ... + 32783843.

It is an arithmetic number, because the mean of its divisors is an integer number (49175763).

Almost surely, 2^131135366 is an apocalyptic number.

131135366 is a deficient number, since it is larger than the sum of its proper divisors (65567686).

131135366 is an equidigital number, since it uses as much as digits as its factorization.

131135366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65567685.

The product of its digits is 4860, while the sum is 29.

The square root of 131135366 is about 11451.4351065707. The cubic root of 131135366 is about 508.0501815598.

Adding to 131135366 its reverse (663531131), we get a palindrome (794666497).

The spelling of 131135366 in words is "one hundred thirty-one million, one hundred thirty-five thousand, three hundred sixty-six".