139466207999 has 2 divisors, whose sum is σ = 139466208000. Its totient is φ = 139466207998.

The previous prime is 139466207977. The next prime is 139466208131. The reversal of 139466207999 is 999702664931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139466207999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139466207929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69733103999 + 69733104000.

It is an arithmetic number, because the mean of its divisors is an integer number (69733104000).

Almost surely, 2^139466207999 is an apocalyptic number.

139466207999 is a deficient number, since it is larger than the sum of its proper divisors (1).

139466207999 is an equidigital number, since it uses as much as digits as its factorization.

139466207999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39680928, while the sum is 65.

The spelling of 139466207999 in words is "one hundred thirty-nine billion, four hundred sixty-six million, two hundred seven thousand, nine hundred ninety-nine".