139883078 has 8 divisors (see below), whose sum is σ = 211214640. Its totient is φ = 69478200.

The previous prime is 139883057. The next prime is 139883087. The reversal of 139883078 is 870388931.

139883078 is digitally balanced in base 3, 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.

It is a congruent number.

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, 231293 + ... + 231896.

It is an arithmetic number, because the mean of its divisors is an integer number (26401830).

Almost surely, 2^139883078 is an apocalyptic number.

139883078 is a deficient number, since it is larger than the sum of its proper divisors (71331562).

139883078 is a wasteful number, since it uses less digits than its factorization.

139883078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463342.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 139883078 is about 11827.2176778818. The cubic root of 139883078 is about 519.1048183074.

The spelling of 139883078 in words is "one hundred thirty-nine million, eight hundred eighty-three thousand, seventy-eight".