139840075 has 12 divisors (see below), whose sum is σ = 173593800. Its totient is φ = 111748160.

The previous prime is 139840073. The next prime is 139840097. The reversal of 139840075 is 570048931.

It is not a de Polignac number, because 139840075 - 2¹ = 139840073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139840073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24876 + ... + 29974.

It is an arithmetic number, because the mean of its divisors is an integer number (14466150).

Almost surely, 2^139840075 is an apocalyptic number.

139840075 is a deficient number, since it is larger than the sum of its proper divisors (33753725).

139840075 is a wasteful number, since it uses less digits than its factorization.

139840075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206 (or 6201 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 139840075 is about 11825.3995704162. The cubic root of 139840075 is about 519.0516182760.

The spelling of 139840075 in words is "one hundred thirty-nine million, eight hundred forty thousand, seventy-five".