139604126145619 has 2 divisors, whose sum is σ = 139604126145620. Its totient is φ = 139604126145618.

The previous prime is 139604126145481. The next prime is 139604126145643. The reversal of 139604126145619 is 916541621406931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139604126145619 is a prime.

It is a super-2 number, since 2×139604126145619² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139604126145919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69802063072809 + 69802063072810.

It is an arithmetic number, because the mean of its divisors is an integer number (69802063072810).

Almost surely, 2^{139604126145619} is an apocalyptic number.

139604126145619 is a deficient number, since it is larger than the sum of its proper divisors (1).

139604126145619 is an equidigital number, since it uses as much as digits as its factorization.

139604126145619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 58.

Subtracting from 139604126145619 its sum of digits (58), we obtain a square (139604126145561 = 11815419²).

The spelling of 139604126145619 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, six hundred nineteen".