139059101 has 2 divisors, whose sum is σ = 139059102. Its totient is φ = 139059100.

The previous prime is 139059083. The next prime is 139059187. The reversal of 139059101 is 101950931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138039001 + 1020100 = 11749^2 + 1010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139059101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139059191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69529550 + 69529551.

It is an arithmetic number, because the mean of its divisors is an integer number (69529551).

Almost surely, 2^139059101 is an apocalyptic number.

It is an amenable number.

139059101 is a deficient number, since it is larger than the sum of its proper divisors (1).

139059101 is an equidigital number, since it uses as much as digits as its factorization.

139059101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 139059101 is about 11792.3322968783. The cubic root of 139059101 is about 518.0835534039.

The spelling of 139059101 in words is "one hundred thirty-nine million, fifty-nine thousand, one hundred one".