139326903 has 6 divisors (see below), whose sum is σ = 201249984. Its totient is φ = 92884596.

The previous prime is 139326899. The next prime is 139326937. The reversal of 139326903 is 309623931.

It is a happy number.

139326903 is a `hidden beast` number, since 1 + 393 + 269 + 0 + 3 = 666.

It is not a de Polignac number, because 139326903 - 2² = 139326899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139326953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7740375 + ... + 7740392.

It is an arithmetic number, because the mean of its divisors is an integer number (33541664).

Almost surely, 2^139326903 is an apocalyptic number.

139326903 is a deficient number, since it is larger than the sum of its proper divisors (61923081).

139326903 is a wasteful number, since it uses less digits than its factorization.

139326903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480773 (or 15480770 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 139326903 is about 11803.6817561302. The cubic root of 139326903 is about 518.4159177033.

It can be divided in two parts, 13 and 9326903, that added together give a square (9326916 = 3054²).

The spelling of 139326903 in words is "one hundred thirty-nine million, three hundred twenty-six thousand, nine hundred three".