139604126145618 has 32 divisors (see below), whose sum is σ = 283072730846400. Its totient is φ = 45890807821056.

The previous prime is 139604126145481. The next prime is 139604126145619. The reversal of 139604126145618 is 816541621406931.

It is not an unprimeable number, because it can be changed into a prime (139604126145619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19232028 + ... + 25477031.

It is an arithmetic number, because the mean of its divisors is an integer number (8846022838950).

Almost surely, 2^{139604126145618} is an apocalyptic number.

139604126145618 is an abundant number, since it is smaller than the sum of its proper divisors (143468604700782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139604126145618 is a wasteful number, since it uses less digits than its factorization.

139604126145618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44716266.

The product of its (nonzero) digits is 7464960, while the sum is 57.

Subtracting from 139604126145618 its sum of digits (57), we obtain a square (139604126145561 = 11815419²).

The spelling of 139604126145618 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, six hundred eighteen".