140143276 has 48 divisors (see below), whose sum is σ = 304254720. Its totient is φ = 54999360.

The previous prime is 140143271. The next prime is 140143277. The reversal of 140143276 is 672341041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (140143271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46215 + ... + 49153.

It is an arithmetic number, because the mean of its divisors is an integer number (6338640).

Almost surely, 2^140143276 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 140143276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152127360).

140143276 is an abundant number, since it is smaller than the sum of its proper divisors (164111444).

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

140143276 is a wasteful number, since it uses less digits than its factorization.

140143276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 140143276 is about 11838.2125339935. The cubic root of 140143276 is about 519.4264830755.

The spelling of 140143276 in words is "one hundred forty million, one hundred forty-three thousand, two hundred seventy-six".