139345245101 has 2 divisors, whose sum is σ = 139345245102. Its totient is φ = 139345245100.

The previous prime is 139345245047. The next prime is 139345245119. The reversal of 139345245101 is 101542543931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136375104100 + 2970141001 = 369290^2 + 54499^2 .

It is a cyclic number.

It is not a de Polignac number, because 139345245101 - 2⁶ = 139345245037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139345245121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69672622550 + 69672622551.

It is an arithmetic number, because the mean of its divisors is an integer number (69672622551).

Almost surely, 2^139345245101 is an apocalyptic number.

It is an amenable number.

139345245101 is a deficient number, since it is larger than the sum of its proper divisors (1).

139345245101 is an equidigital number, since it uses as much as digits as its factorization.

139345245101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 139345245101 in words is "one hundred thirty-nine billion, three hundred forty-five million, two hundred forty-five thousand, one hundred one".