139975837898 has 16 divisors (see below), whose sum is σ = 232226027880. Its totient is φ = 62858172096.

The previous prime is 139975837853. The next prime is 139975837901. The reversal of 139975837898 is 898738579931.

It can be written as a sum of positive squares in 4 ways, for example, as 137042857249 + 2932980649 = 370193^2 + 54157^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72751553 + ... + 72753476.

Almost surely, 2^139975837898 is an apocalyptic number.

139975837898 is a deficient number, since it is larger than the sum of its proper divisors (92250189982).

139975837898 is a wasteful number, since it uses less digits than its factorization.

139975837898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145505081.

The product of its digits is 823011840, while the sum is 77.

The spelling of 139975837898 in words is "one hundred thirty-nine billion, nine hundred seventy-five million, eight hundred thirty-seven thousand, eight hundred ninety-eight".