144439738936 has 16 divisors (see below), whose sum is σ = 278144092440. Its totient is φ = 70267980960.

The previous prime is 144439738931. The next prime is 144439738939. The reversal of 144439738936 is 639837934441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144439738931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243985750 + ... + 243986341.

Almost surely, 2^144439738936 is an apocalyptic number.

It is an amenable number.

144439738936 is a deficient number, since it is larger than the sum of its proper divisors (133704353504).

144439738936 is a wasteful number, since it uses less digits than its factorization.

144439738936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487972134 (or 487972130 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 61.

The spelling of 144439738936 in words is "one hundred forty-four billion, four hundred thirty-nine million, seven hundred thirty-eight thousand, nine hundred thirty-six".