140156844 has 48 divisors (see below), whose sum is σ = 348163200. Its totient is φ = 43756416.

The previous prime is 140156813. The next prime is 140156879. The reversal of 140156844 is 448651041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16839 + ... + 23745.

It is an arithmetic number, because the mean of its divisors is an integer number (7253400).

Almost surely, 2^140156844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140156844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174081600).

140156844 is an abundant number, since it is smaller than the sum of its proper divisors (208006356).

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

140156844 is a wasteful number, since it uses less digits than its factorization.

140156844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022 (or 7020 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 140156844 is about 11838.7855796108. The cubic root of 140156844 is about 519.4432453284.

The spelling of 140156844 in words is "one hundred forty million, one hundred fifty-six thousand, eight hundred forty-four".