140343046 has 16 divisors (see below), whose sum is σ = 214862544. Its totient is φ = 68726944.

The previous prime is 140343037. The next prime is 140343061. The reversal of 140343046 is 640343041.

It is a happy number.

140343046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140343046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106725 + ... + 108031.

It is an arithmetic number, because the mean of its divisors is an integer number (13428909).

Almost surely, 2^140343046 is an apocalyptic number.

140343046 is a deficient number, since it is larger than the sum of its proper divisors (74519498).

140343046 is a wasteful number, since it uses less digits than its factorization.

140343046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 140343046 is about 11846.6470361871. The cubic root of 140343046 is about 519.6731748077.

Adding to 140343046 its reverse (640343041), we get a palindrome (780686087).

The spelling of 140343046 in words is "one hundred forty million, three hundred forty-three thousand, forty-six".