139322312671 has 2 divisors, whose sum is σ = 139322312672. Its totient is φ = 139322312670.

The previous prime is 139322312653. The next prime is 139322312747. The reversal of 139322312671 is 176213223931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139322312671 - 2¹³ = 139322304479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139322312641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69661156335 + 69661156336.

It is an arithmetic number, because the mean of its divisors is an integer number (69661156336).

Almost surely, 2^139322312671 is an apocalyptic number.

139322312671 is a deficient number, since it is larger than the sum of its proper divisors (1).

139322312671 is an equidigital number, since it uses as much as digits as its factorization.

139322312671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The spelling of 139322312671 in words is "one hundred thirty-nine billion, three hundred twenty-two million, three hundred twelve thousand, six hundred seventy-one".