140243032 has 8 divisors (see below), whose sum is σ = 262955700. Its totient is φ = 70121512.

The previous prime is 140243023. The next prime is 140243053. The reversal of 140243032 is 230342041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8765182 + ... + 8765197.

Almost surely, 2^140243032 is an apocalyptic number.

It is an amenable number.

140243032 is a deficient number, since it is larger than the sum of its proper divisors (122712668).

140243032 is a wasteful number, since it uses less digits than its factorization.

140243032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17530385 (or 17530381 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140243032 is about 11842.4250894823. The cubic root of 140243032 is about 519.5496989256.

Adding to 140243032 its reverse (230342041), we get a palindrome (370585073).

Subtracting 140243032 from its reverse (230342041), we obtain a palindrome (90099009).

The spelling of 140243032 in words is "one hundred forty million, two hundred forty-three thousand, thirty-two".