131433466 has 4 divisors (see below), whose sum is σ = 197150202. Its totient is φ = 65716732.

The previous prime is 131433439. The next prime is 131433473. The reversal of 131433466 is 664334131.

It is a happy number.

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., 71757841 + 59675625 = 8471^2 + 7725^2 .

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 as a sum of consecutive naturals, namely, 32858365 + ... + 32858368.

Almost surely, 2^131433466 is an apocalyptic number.

131433466 is a deficient number, since it is larger than the sum of its proper divisors (65716736).

131433466 is an equidigital number, since it uses as much as digits as its factorization.

131433466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65716735.

The product of its digits is 15552, while the sum is 31.

The square root of 131433466 is about 11464.4435538756. The cubic root of 131433466 is about 508.4348607625.

Adding to 131433466 its reverse (664334131), we get a palindrome (795767597).

The spelling of 131433466 in words is "one hundred thirty-one million, four hundred thirty-three thousand, four hundred sixty-six".