131667004069 has 2 divisors, whose sum is σ = 131667004070. Its totient is φ = 131667004068.

The previous prime is 131667004057. The next prime is 131667004111. The reversal of 131667004069 is 960400766131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131587562500 + 79441569 = 362750^2 + 8913^2 .

It is a cyclic number.

It is not a de Polignac number, because 131667004069 - 2⁵ = 131667004037 is a prime.

It is a super-2 number, since 2×131667004069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131667004019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65833502034 + 65833502035.

It is an arithmetic number, because the mean of its divisors is an integer number (65833502035).

Almost surely, 2^131667004069 is an apocalyptic number.

It is an amenable number.

131667004069 is a deficient number, since it is larger than the sum of its proper divisors (1).

131667004069 is an equidigital number, since it uses as much as digits as its factorization.

131667004069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 131667004069 in words is "one hundred thirty-one billion, six hundred sixty-seven million, four thousand, sixty-nine".