139466208131 has 2 divisors, whose sum is σ = 139466208132. Its totient is φ = 139466208130.

The previous prime is 139466207999. The next prime is 139466208137. The reversal of 139466208131 is 131802664931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139466208131 - 2¹⁰ = 139466207107 is a prime.

It is a super-2 number, since 2×139466208131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139466208137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69733104065 + 69733104066.

It is an arithmetic number, because the mean of its divisors is an integer number (69733104066).

Almost surely, 2^139466208131 is an apocalyptic number.

139466208131 is a deficient number, since it is larger than the sum of its proper divisors (1).

139466208131 is an equidigital number, since it uses as much as digits as its factorization.

139466208131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 139466208131 in words is "one hundred thirty-nine billion, four hundred sixty-six million, two hundred eight thousand, one hundred thirty-one".