139688058 has 8 divisors (see below), whose sum is σ = 279376128. Its totient is φ = 46562684.

The previous prime is 139688033. The next prime is 139688093. The reversal of 139688058 is 850886931.

139688058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

139688058 is an admirable number.

It is a super-3 number, since 3×139688058³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 139687998 and 139688016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11640666 + ... + 11640677.

It is an arithmetic number, because the mean of its divisors is an integer number (34922016).

Almost surely, 2^139688058 is an apocalyptic number.

139688058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139688058 is a wasteful number, since it uses less digits than its factorization.

139688058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23281348.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 139688058 is about 11818.9702597138. The cubic root of 139688058 is about 518.8634669682.

The spelling of 139688058 in words is "one hundred thirty-nine million, six hundred eighty-eight thousand, fifty-eight".