140134144 has 18 divisors (see below), whose sum is σ = 279721400. Its totient is φ = 70066944.

The previous prime is 140134117. The next prime is 140134151. The reversal of 140134144 is 441431041.

140134144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140134144² = 39275156629225472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273444 + ... + 273955.

Almost surely, 2^140134144 is an apocalyptic number.

It is an amenable number.

140134144 is a deficient number, since it is larger than the sum of its proper divisors (139587256).

140134144 is an frugal number, since it uses more digits than its factorization.

140134144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547415 (or 547401 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 140134144 is about 11837.8268275896. The cubic root of 140134144 is about 519.4152005609.

Adding to 140134144 its reverse (441431041), we get a palindrome (581565185).

The spelling of 140134144 in words is "one hundred forty million, one hundred thirty-four thousand, one hundred forty-four".