140024343 has 16 divisors (see below), whose sum is σ = 189025760. Its totient is φ = 92192256.

The previous prime is 140024333. The next prime is 140024347. The reversal of 140024343 is 343420041.

It is a de Polignac number, because none of the positive numbers 2^k-140024343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140024347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148971 + ... + 149907.

It is an arithmetic number, because the mean of its divisors is an integer number (11814110).

Almost surely, 2^140024343 is an apocalyptic number.

140024343 is a deficient number, since it is larger than the sum of its proper divisors (49001417).

140024343 is a wasteful number, since it uses less digits than its factorization.

140024343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 140024343 is about 11833.1882009879. The cubic root of 140024343 is about 519.2795038895.

Adding to 140024343 its reverse (343420041), we get a palindrome (483444384).

The spelling of 140024343 in words is "one hundred forty million, twenty-four thousand, three hundred forty-three".