139050438 has 16 divisors (see below), whose sum is σ = 287072256. Its totient is φ = 44854920.

The previous prime is 139050419. The next prime is 139050449. The reversal of 139050438 is 834050931.

139050438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 139050399 and 139050408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373606 + ... + 373977.

It is an arithmetic number, because the mean of its divisors is an integer number (17942016).

Almost surely, 2^139050438 is an apocalyptic number.

139050438 is an abundant number, since it is smaller than the sum of its proper divisors (148021818).

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

139050438 is a wasteful number, since it uses less digits than its factorization.

139050438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747619.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 139050438 is about 11791.9649762031. The cubic root of 139050438 is about 518.0727947865.

The spelling of 139050438 in words is "one hundred thirty-nine million, fifty thousand, four hundred thirty-eight".