140248706 has 24 divisors (see below), whose sum is σ = 232128180. Its totient is φ = 63500736.

The previous prime is 140248697. The next prime is 140248729. The reversal of 140248706 is 607842041.

It can be written as a sum of positive squares in 6 ways, for example, as 12355225 + 127893481 = 3515^2 + 11309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14000 + ... + 21828.

Almost surely, 2^140248706 is an apocalyptic number.

140248706 is a deficient number, since it is larger than the sum of its proper divisors (91879474).

140248706 is a wasteful number, since it uses less digits than its factorization.

140248706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910 (or 7897 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 140248706 is about 11842.6646494782. The cubic root of 140248706 is about 519.5567055369.

The spelling of 140248706 in words is "one hundred forty million, two hundred forty-eight thousand, seven hundred six".