140653664 has 12 divisors (see below), whose sum is σ = 276911964. Its totient is φ = 70326816.

The previous prime is 140653663. The next prime is 140653673. The reversal of 140653664 is 466356041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140653661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197682 + ... + 2197745.

It is an arithmetic number, because the mean of its divisors is an integer number (23075997).

Almost surely, 2^140653664 is an apocalyptic number.

It is an amenable number.

140653664 is a deficient number, since it is larger than the sum of its proper divisors (136258300).

140653664 is an equidigital number, since it uses as much as digits as its factorization.

140653664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395437 (or 4395429 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 140653664 is about 11859.7497444086. The cubic root of 140653664 is about 520.0562858205.

The spelling of 140653664 in words is "one hundred forty million, six hundred fifty-three thousand, six hundred sixty-four".