139604126145061 has 2 divisors, whose sum is σ = 139604126145062. Its totient is φ = 139604126145060.

The previous prime is 139604126145037. The next prime is 139604126145079. The reversal of 139604126145061 is 160541621406931.

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., 118480634384161 + 21123491760900 = 10884881^2 + 4596030^2 .

It is a cyclic number.

It is not a de Polignac number, because 139604126145061 - 2⁴⁵ = 104419754056229 is a prime.

It is a super-2 number, since 2×139604126145061² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139604126144996 and 139604126145014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139604126145091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69802063072530 + 69802063072531.

It is an arithmetic number, because the mean of its divisors is an integer number (69802063072531).

Almost surely, 2^{139604126145061} is an apocalyptic number.

It is an amenable number.

139604126145061 is a deficient number, since it is larger than the sum of its proper divisors (1).

139604126145061 is an equidigital number, since it uses as much as digits as its factorization.

139604126145061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 139604126145061 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, sixty-one".