131404204 has 12 divisors (see below), whose sum is σ = 230506528. Its totient is φ = 65545200.

The previous prime is 131404201. The next prime is 131404211. The reversal of 131404204 is 402404131.

It is not an unprimeable number, because it can be changed into a prime (131404201) 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, 37332 + ... + 40699.

Almost surely, 2^131404204 is an apocalyptic number.

It is an amenable number.

131404204 is a deficient number, since it is larger than the sum of its proper divisors (99102324).

131404204 is a wasteful number, since it uses less digits than its factorization.

131404204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78456 (or 78454 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 131404204 is about 11463.1672761065. The cubic root of 131404204 is about 508.3971257634.

Adding to 131404204 its reverse (402404131), we get a palindrome (533808335).

The spelling of 131404204 in words is "one hundred thirty-one million, four hundred four thousand, two hundred four".