140044 has 12 divisors (see below), whose sum is σ = 247744. Its totient is φ = 69264.

The previous prime is 140009. The next prime is 140053. The reversal of 140044 is 440041.

It is a happy number.

It is a super-2 number, since 2×140044² = 39224643872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517 + ... + 739.

2¹⁴⁰⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

140044 is a deficient number, since it is larger than the sum of its proper divisors (107700).

140044 is a wasteful number, since it uses less digits than its factorization.

140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 140044 is about 374.2245315315. The cubic root of 140044 is about 51.9303802045.

Adding to 140044 its reverse (440041), we get a palindrome (580085).

It can be divided in two parts, 1400 and 44, that added together give a square (1444 = 38²).

The spelling of 140044 in words is "one hundred forty thousand, forty-four", and thus it is an iban number.