139557053826 has 24 divisors (see below), whose sum is σ = 312127605504. Its totient is φ = 45018404280.

The previous prime is 139557053813. The next prime is 139557053833. The reversal of 139557053826 is 628350755931.

139557053826 is a `hidden beast` number, since 1 + 3 + 9 + 557 + 0 + 5 + 3 + 82 + 6 = 666.

139557053826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139557053826² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125050566 + ... + 125051681.

It is an arithmetic number, because the mean of its divisors is an integer number (13005316896).

Almost surely, 2^139557053826 is an apocalyptic number.

139557053826 is an abundant number, since it is smaller than the sum of its proper divisors (172570551678).

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

139557053826 is a wasteful number, since it uses less digits than its factorization.

139557053826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250102286 (or 250102283 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 139557053826 in words is "one hundred thirty-nine billion, five hundred fifty-seven million, fifty-three thousand, eight hundred twenty-six".