140081606 has 8 divisors (see below), whose sum is σ = 240139920. Its totient is φ = 60034968.

The previous prime is 140081587. The next prime is 140081611. The reversal of 140081606 is 606180041.

140081606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 5002901 + ... + 5002928.

It is an arithmetic number, because the mean of its divisors is an integer number (30017490).

Almost surely, 2^140081606 is an apocalyptic number.

140081606 is a deficient number, since it is larger than the sum of its proper divisors (100058314).

140081606 is a wasteful number, since it uses less digits than its factorization.

140081606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005838.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 140081606 is about 11835.6075467210. The cubic root of 140081606 is about 519.3502807489.

The spelling of 140081606 in words is "one hundred forty million, eighty-one thousand, six hundred six".