139783628 has 6 divisors (see below), whose sum is σ = 244621356. Its totient is φ = 69891812.

The previous prime is 139783621. The next prime is 139783717. The reversal of 139783628 is 826387931.

139783628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139783621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17472950 + ... + 17472957.

It is an arithmetic number, because the mean of its divisors is an integer number (40770226).

Almost surely, 2^139783628 is an apocalyptic number.

It is an amenable number.

139783628 is a deficient number, since it is larger than the sum of its proper divisors (104837728).

139783628 is a wasteful number, since it uses less digits than its factorization.

139783628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34945911 (or 34945909 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 139783628 is about 11823.0126448380. The cubic root of 139783628 is about 518.9817697966.

The spelling of 139783628 in words is "one hundred thirty-nine million, seven hundred eighty-three thousand, six hundred twenty-eight".