140131344 has 40 divisors (see below), whose sum is σ = 362472832. Its totient is φ = 46650240.

The previous prime is 140131337. The next prime is 140131361. The reversal of 140131344 is 443131041.

It is a self number, because there is not a number n which added to its sum of digits gives 140131344.

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, 51129 + ... + 53799.

Almost surely, 2^140131344 is an apocalyptic number.

It is an amenable number.

140131344 is an abundant number, since it is smaller than the sum of its proper divisors (222341488).

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

140131344 is a wasteful number, since it uses less digits than its factorization.

140131344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140131344 is about 11837.7085620487. The cubic root of 140131344 is about 519.4117410846.

Adding to 140131344 its reverse (443131041), we get a palindrome (583262385).

The spelling of 140131344 in words is "one hundred forty million, one hundred thirty-one thousand, three hundred forty-four".