140970144 has 192 divisors, whose sum is σ = 447455232. Its totient is φ = 38016000.

The previous prime is 140970121. The next prime is 140970149. The reversal of 140970144 is 441079041.

It is not an unprimeable number, because it can be changed into a prime (140970149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1395694 + ... + 1395794.

It is an arithmetic number, because the mean of its divisors is an integer number (2330496).

Almost surely, 2^140970144 is an apocalyptic number.

140970144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140970144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223727616).

140970144 is an abundant number, since it is smaller than the sum of its proper divisors (306485088).

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

140970144 is a wasteful number, since it uses less digits than its factorization.

140970144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 140970144 is about 11873.0848560936. The cubic root of 140970144 is about 520.4460472590.

The spelling of 140970144 in words is "one hundred forty million, nine hundred seventy thousand, one hundred forty-four".