140066632 has 16 divisors (see below), whose sum is σ = 276447600. Its totient is φ = 66347280.

The previous prime is 140066629. The next prime is 140066639. The reversal of 140066632 is 236660041.

It is a super-2 number, since 2×140066632² = 39237322799646848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140066632.

It is not an unprimeable number, because it can be changed into a prime (140066639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460594 + ... + 460897.

It is an arithmetic number, because the mean of its divisors is an integer number (17277975).

Almost surely, 2^140066632 is an apocalyptic number.

It is an amenable number.

140066632 is a deficient number, since it is larger than the sum of its proper divisors (136380968).

140066632 is a wasteful number, since it uses less digits than its factorization.

140066632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921516 (or 921512 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 140066632 is about 11834.9749471640. The cubic root of 140066632 is about 519.3317748022.

The spelling of 140066632 in words is "one hundred forty million, sixty-six thousand, six hundred thirty-two".