1400141144 has 32 divisors (see below), whose sum is σ = 2693325600. Its totient is φ = 681972480.

The previous prime is 1400141129. The next prime is 1400141167. The reversal of 1400141144 is 4411410041.

It is a happy number.

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, 245477 + ... + 251115.

It is an arithmetic number, because the mean of its divisors is an integer number (84166425).

Almost surely, 2^1400141144 is an apocalyptic number.

It is an amenable number.

1400141144 is a deficient number, since it is larger than the sum of its proper divisors (1293184456).

1400141144 is a wasteful number, since it uses less digits than its factorization.

1400141144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443 (or 6439 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1400141144 is about 37418.4599362400. The cubic root of 1400141144 is about 1118.7265351590.

Adding to 1400141144 its reverse (4411410041), we get a palindrome (5811551185).

The spelling of 1400141144 in words is "one billion, four hundred million, one hundred forty-one thousand, one hundred forty-four".