139338147 has 16 divisors (see below), whose sum is σ = 200406528. Its totient is φ = 85604640.

The previous prime is 139338107. The next prime is 139338151. The reversal of 139338147 is 741833931.

It is a happy number.

It is not a de Polignac number, because 139338147 - 2⁶ = 139338083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (139338107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24022 + ... + 29252.

It is an arithmetic number, because the mean of its divisors is an integer number (12525408).

Almost surely, 2^139338147 is an apocalyptic number.

139338147 is a deficient number, since it is larger than the sum of its proper divisors (61068381).

139338147 is a wasteful number, since it uses less digits than its factorization.

139338147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930.

The product of its digits is 54432, while the sum is 39.

The square root of 139338147 is about 11804.1580385896. The cubic root of 139338147 is about 518.4298631119.

The spelling of 139338147 in words is "one hundred thirty-nine million, three hundred thirty-eight thousand, one hundred forty-seven".