139604126145499 has 4 divisors (see below), whose sum is σ = 139628953489936. Its totient is φ = 139579298801064.

The previous prime is 139604126145481. The next prime is 139604126145619. The reversal of 139604126145499 is 994541621406931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139604126145499 - 2²³ = 139604117756891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139604126145499.

It is not an unprimeable number, because it can be changed into a prime (139604126143499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12413663784 + ... + 12413675029.

It is an arithmetic number, because the mean of its divisors is an integer number (34907238372484).

Almost surely, 2^{139604126145499} is an apocalyptic number.

139604126145499 is a deficient number, since it is larger than the sum of its proper divisors (24827344437).

139604126145499 is an equidigital number, since it uses as much as digits as its factorization.

139604126145499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24827344436.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 139604126145499 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, four hundred ninety-nine".