131406616345401 has 12 divisors (see below), whose sum is σ = 189826355882800. Its totient is φ = 87596657540280.

The previous prime is 131406616345397. The next prime is 131406616345421. The reversal of 131406616345401 is 104543616604131.

It is a happy number.

131406616345401 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 6 + 6 + 1 + 634 + 5 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 131406616345401 - 2² = 131406616345397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131406616345421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646005715 + ... + 646209096.

Almost surely, 2^{131406616345401} is an apocalyptic number.

It is an amenable number.

131406616345401 is a deficient number, since it is larger than the sum of its proper divisors (58419739537399).

131406616345401 is a wasteful number, since it uses less digits than its factorization.

131406616345401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292226116 (or 1292226113 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 131406616345401 in words is "one hundred thirty-one trillion, four hundred six billion, six hundred sixteen million, three hundred forty-five thousand, four hundred one".