139901126 has 16 divisors (see below), whose sum is σ = 223334496. Its totient is φ = 65498496.

The previous prime is 139901101. The next prime is 139901129. The reversal of 139901126 is 621109931.

It is a junction number, because it is equal to n+sod(n) for n = 139901092 and 139901101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139901129) 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 7 ways as a sum of consecutive naturals, for example, 3746 + ... + 17141.

It is an arithmetic number, because the mean of its divisors is an integer number (13958406).

Almost surely, 2^139901126 is an apocalyptic number.

139901126 is a deficient number, since it is larger than the sum of its proper divisors (83433370).

139901126 is a wasteful number, since it uses less digits than its factorization.

139901126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21103.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 139901126 is about 11827.9806391455. The cubic root of 139901126 is about 519.1271426681.

The spelling of 139901126 in words is "one hundred thirty-nine million, nine hundred one thousand, one hundred twenty-six".