139490059 has 4 divisors (see below), whose sum is σ = 139598416. Its totient is φ = 139381704.

The previous prime is 139490053. The next prime is 139490081. The reversal of 139490059 is 950094931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139490059 - 2³ = 139490051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139490051) 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 3 ways as a sum of consecutive naturals, for example, 52224 + ... + 54829.

It is an arithmetic number, because the mean of its divisors is an integer number (34899604).

Almost surely, 2^139490059 is an apocalyptic number.

139490059 is a deficient number, since it is larger than the sum of its proper divisors (108357).

139490059 is a wasteful number, since it uses less digits than its factorization.

139490059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108356.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 139490059 is about 11810.5909674326. The cubic root of 139490059 is about 518.6181989828.

The spelling of 139490059 in words is "one hundred thirty-nine million, four hundred ninety thousand, fifty-nine".