139384035 has 24 divisors (see below), whose sum is σ = 276113760. Its totient is φ = 63718272.

The previous prime is 139384033. The next prime is 139384061. The reversal of 139384035 is 530483931.

139384035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139384035 - 2¹ = 139384033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139384033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220930 + ... + 221559.

It is an arithmetic number, because the mean of its divisors is an integer number (11504740).

Almost surely, 2^139384035 is an apocalyptic number.

139384035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139384035 is a deficient number, since it is larger than the sum of its proper divisors (136729725).

139384035 is a wasteful number, since it uses less digits than its factorization.

139384035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442507 (or 442504 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 139384035 is about 11806.1016004437. The cubic root of 139384035 is about 518.4867680801.

The spelling of 139384035 in words is "one hundred thirty-nine million, three hundred eighty-four thousand, thirty-five".