139068722 has 8 divisors (see below), whose sum is σ = 224649516. Its totient is φ = 64185552.

The previous prime is 139068719. The next prime is 139068731. The reversal of 139068722 is 227860931.

It can be written as a sum of positive squares in 2 ways, for example, as 135932281 + 3136441 = 11659^2 + 1771^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674373 + ... + 2674424.

Almost surely, 2^139068722 is an apocalyptic number.

139068722 is a deficient number, since it is larger than the sum of its proper divisors (85580794).

139068722 is a wasteful number, since it uses less digits than its factorization.

139068722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348812.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 139068722 is about 11792.7402243923. The cubic root of 139068722 is about 518.0955012421.

The spelling of 139068722 in words is "one hundred thirty-nine million, sixty-eight thousand, seven hundred twenty-two".