140236706 has 8 divisors (see below), whose sum is σ = 222728940. Its totient is φ = 65993728.

The previous prime is 140236651. The next prime is 140236709. The reversal of 140236706 is 607632041.

It can be written as a sum of positive squares in 2 ways, for example, as 122301481 + 17935225 = 11059^2 + 4235^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140236709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062271 + ... + 2062338.

Almost surely, 2^140236706 is an apocalyptic number.

140236706 is a deficient number, since it is larger than the sum of its proper divisors (82492234).

140236706 is a wasteful number, since it uses less digits than its factorization.

140236706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124628.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 140236706 is about 11842.1579959060. The cubic root of 140236706 is about 519.5418869610.

Adding to 140236706 its reverse (607632041), we get a palindrome (747868747).

The spelling of 140236706 in words is "one hundred forty million, two hundred thirty-six thousand, seven hundred six".