140649606 has 24 divisors (see below), whose sum is σ = 305089200. Its totient is φ = 46829616.

The previous prime is 140649599. The next prime is 140649667. The reversal of 140649606 is 606946041.

140649606 is a `hidden beast` number, since 1 + 4 + 0 + 6 + 49 + 606 = 666.

It is a congruent number.

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, 13720 + ... + 21668.

It is an arithmetic number, because the mean of its divisors is an integer number (12712050).

Almost surely, 2^140649606 is an apocalyptic number.

140649606 is an abundant number, since it is smaller than the sum of its proper divisors (164439594).

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

140649606 is a wasteful number, since it uses less digits than its factorization.

140649606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940 (or 8937 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 140649606 is about 11859.5786603066. The cubic root of 140649606 is about 520.0512843897.

The spelling of 140649606 in words is "one hundred forty million, six hundred forty-nine thousand, six hundred six".