139190063 has 2 divisors, whose sum is σ = 139190064. Its totient is φ = 139190062.

The previous prime is 139190017. The next prime is 139190081. The reversal of 139190063 is 360091931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139190063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139190003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69595031 + 69595032.

It is an arithmetic number, because the mean of its divisors is an integer number (69595032).

Almost surely, 2^139190063 is an apocalyptic number.

139190063 is a deficient number, since it is larger than the sum of its proper divisors (1).

139190063 is an equidigital number, since it uses as much as digits as its factorization.

139190063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 139190063 is about 11797.8838356715. The cubic root of 139190063 is about 518.2461412759.

The spelling of 139190063 in words is "one hundred thirty-nine million, one hundred ninety thousand, sixty-three".