140543976 has 64 divisors (see below), whose sum is σ = 366897600. Its totient is φ = 44807168.

The previous prime is 140543933. The next prime is 140544017. The reversal of 140543976 is 679345041.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 77755 + ... + 79541.

It is an arithmetic number, because the mean of its divisors is an integer number (5732775).

Almost surely, 2^140543976 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 140543976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183448800).

140543976 is an abundant number, since it is smaller than the sum of its proper divisors (226353624).

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

140543976 is a wasteful number, since it uses less digits than its factorization.

140543976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 140543976 is about 11855.1244615989. The cubic root of 140543976 is about 519.9210629685.

The spelling of 140543976 in words is "one hundred forty million, five hundred forty-three thousand, nine hundred seventy-six".