131240065466 has 4 divisors (see below), whose sum is σ = 196860098202. Its totient is φ = 65620032732.

The previous prime is 131240065459. The next prime is 131240065477. The reversal of 131240065466 is 664560042131.

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., 94387200625 + 36852864841 = 307225^2 + 191971^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32810016365 + ... + 32810016368.

Almost surely, 2^131240065466 is an apocalyptic number.

131240065466 is a deficient number, since it is larger than the sum of its proper divisors (65620032736).

131240065466 is an equidigital number, since it uses as much as digits as its factorization.

131240065466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65620032735.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 131240065466 in words is "one hundred thirty-one billion, two hundred forty million, sixty-five thousand, four hundred sixty-six".