140543496 has 24 divisors (see below), whose sum is σ = 380638830. Its totient is φ = 46847808.

The previous prime is 140543477. The next prime is 140543521. The reversal of 140543496 is 694345041.

It can be written as a sum of positive squares in only one way, i.e., 87048900 + 53494596 = 9330^2 + 7314^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 140543496.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 975925 + ... + 976068.

Almost surely, 2^140543496 is an apocalyptic number.

It is an amenable number.

140543496 is an abundant number, since it is smaller than the sum of its proper divisors (240095334).

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

140543496 is a wasteful number, since it uses less digits than its factorization.

140543496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952005 (or 1951998 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 140543496 is about 11855.1042171716. The cubic root of 140543496 is about 519.9204710722.

The spelling of 140543496 in words is "one hundred forty million, five hundred forty-three thousand, four hundred ninety-six".