140652644 has 12 divisors (see below), whose sum is σ = 268518768. Its totient is φ = 63933000.

The previous prime is 140652643. The next prime is 140652647. The reversal of 140652644 is 446256041.

140652644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140652644.

It is not an unprimeable number, because it can be changed into a prime (140652643) 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, 1598282 + ... + 1598369.

It is an arithmetic number, because the mean of its divisors is an integer number (22376564).

Almost surely, 2^140652644 is an apocalyptic number.

It is an amenable number.

140652644 is a deficient number, since it is larger than the sum of its proper divisors (127866124).

140652644 is a wasteful number, since it uses less digits than its factorization.

140652644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196666 (or 3196664 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 140652644 is about 11859.7067417369. The cubic root of 140652644 is about 520.0550286932.

The spelling of 140652644 in words is "one hundred forty million, six hundred fifty-two thousand, six hundred forty-four".