140068044 has 36 divisors (see below), whose sum is σ = 365485120. Its totient is φ = 45182880.

The previous prime is 140068043. The next prime is 140068063. The reversal of 140068044 is 440860041.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 140067999 and 140068017.

It is not an unprimeable number, because it can be changed into a prime (140068043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61639 + ... + 63870.

Almost surely, 2^140068044 is an apocalyptic number.

It is an amenable number.

140068044 is an abundant number, since it is smaller than the sum of its proper divisors (225417076).

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

140068044 is a wasteful number, since it uses less digits than its factorization.

140068044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125550 (or 125545 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 140068044 is about 11835.0346007099. The cubic root of 140068044 is about 519.3335199097. Note that the first 3 decimals are identical.

The spelling of 140068044 in words is "one hundred forty million, sixty-eight thousand, forty-four".