139796226 has 16 divisors (see below), whose sum is σ = 310658400. Its totient is φ = 46598724.

The previous prime is 139796213. The next prime is 139796227. The reversal of 139796226 is 622697931.

It is a happy number.

139796226 is a `hidden beast` number, since 13 + 9 + 7 + 9 + 622 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (139796227) 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 7 ways as a sum of consecutive naturals, for example, 1294356 + ... + 1294463.

It is an arithmetic number, because the mean of its divisors is an integer number (19416150).

Almost surely, 2^139796226 is an apocalyptic number.

139796226 is an abundant number, since it is smaller than the sum of its proper divisors (170862174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139796226 is a wasteful number, since it uses less digits than its factorization.

139796226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588830 (or 2588824 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 139796226 is about 11823.5454073641. The cubic root of 139796226 is about 518.9973604062.

The spelling of 139796226 in words is "one hundred thirty-nine million, seven hundred ninety-six thousand, two hundred twenty-six".