140044052 has 12 divisors (see below), whose sum is σ = 249231360. Its totient is φ = 68835096.

The previous prime is 140043997. The next prime is 140044063. The reversal of 140044052 is 250440041.

It is a super-2 number, since 2×140044052² = 39224673001157408, 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 in 3 ways as a sum of consecutive naturals, for example, 296468 + ... + 296939.

It is an arithmetic number, because the mean of its divisors is an integer number (20769280).

Almost surely, 2^140044052 is an apocalyptic number.

It is an amenable number.

140044052 is a deficient number, since it is larger than the sum of its proper divisors (109187308).

140044052 is a wasteful number, since it uses less digits than its factorization.

140044052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593470 (or 593468 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 140044052 is about 11834.0209565473. The cubic root of 140044052 is about 519.3038663191.

Adding to 140044052 its reverse (250440041), we get a palindrome (390484093).

The spelling of 140044052 in words is "one hundred forty million, forty-four thousand, fifty-two".