140054644 has 12 divisors (see below), whose sum is σ = 245455168. Its totient is φ = 69924600.

The previous prime is 140054641. The next prime is 140054749. The reversal of 140054644 is 446450041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140054641) 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, 22572 + ... + 28099.

Almost surely, 2^140054644 is an apocalyptic number.

It is an amenable number.

140054644 is a deficient number, since it is larger than the sum of its proper divisors (105400524).

140054644 is a wasteful number, since it uses less digits than its factorization.

140054644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51366 (or 51364 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 140054644 is about 11834.4684713763. The cubic root of 140054644 is about 519.3169582184.

The spelling of 140054644 in words is "one hundred forty million, fifty-four thousand, six hundred forty-four".