139259038 has 8 divisors (see below), whose sum is σ = 208947888. Its totient is φ = 69609744.

The previous prime is 139259033. The next prime is 139259039. The reversal of 139259038 is 830952931.

139259038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139259033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570 + ... + 16762.

It is an arithmetic number, because the mean of its divisors is an integer number (26118486).

Almost surely, 2^139259038 is an apocalyptic number.

139259038 is a deficient number, since it is larger than the sum of its proper divisors (69688850).

139259038 is a wasteful number, since it uses less digits than its factorization.

139259038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19778.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 139259038 is about 11800.8066673427. The cubic root of 139259038 is about 518.3317319756.

The spelling of 139259038 in words is "one hundred thirty-nine million, two hundred fifty-nine thousand, thirty-eight".