139054050420 has 24 divisors (see below), whose sum is σ = 389351341344. Its totient is φ = 37081080096.

The previous prime is 139054050419. The next prime is 139054050439. The reversal of 139054050420 is 24050450931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158783694 + ... + 1158783813.

It is an arithmetic number, because the mean of its divisors is an integer number (16222972556).

Almost surely, 2^139054050420 is an apocalyptic number.

139054050420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139054050420 is an abundant number, since it is smaller than the sum of its proper divisors (250297290924).

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

139054050420 is a wasteful number, since it uses less digits than its factorization.

139054050420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317567519 (or 2317567517 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 139054050420 in words is "one hundred thirty-nine billion, fifty-four million, fifty thousand, four hundred twenty".