139928326 has 16 divisors (see below), whose sum is σ = 227661840. Its totient is φ = 64241920.

The previous prime is 139928317. The next prime is 139928333. The reversal of 139928326 is 623829931.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48796 + ... + 51583.

It is an arithmetic number, because the mean of its divisors is an integer number (14228865).

Almost surely, 2^139928326 is an apocalyptic number.

139928326 is a deficient number, since it is larger than the sum of its proper divisors (87733514).

139928326 is a wasteful number, since it uses less digits than its factorization.

139928326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100439.

The product of its digits is 139968, while the sum is 43.

The square root of 139928326 is about 11829.1303991460. The cubic root of 139928326 is about 519.1607839109.

The spelling of 139928326 in words is "one hundred thirty-nine million, nine hundred twenty-eight thousand, three hundred twenty-six".