139053616520 has 128 divisors (see below), whose sum is σ = 385276953600. Its totient is φ = 43984705536.

The previous prime is 139053616459. The next prime is 139053616529. The reversal of 139053616520 is 25616350931.

It is not an unprimeable number, because it can be changed into a prime (139053616529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7594817 + ... + 7613103.

It is an arithmetic number, because the mean of its divisors is an integer number (3009976200).

Almost surely, 2^139053616520 is an apocalyptic number.

139053616520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139053616520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192638476800).

139053616520 is an abundant number, since it is smaller than the sum of its proper divisors (246223337080).

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

139053616520 is a wasteful number, since it uses less digits than its factorization.

139053616520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20407 (or 20403 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 139053616520 in words is "one hundred thirty-nine billion, fifty-three million, six hundred sixteen thousand, five hundred twenty".