140551614544 has 80 divisors (see below), whose sum is σ = 317665043136. Its totient is φ = 59533568000.

The previous prime is 140551614529. The next prime is 140551614547. The reversal of 140551614544 is 445416155041.

It is a junction number, because it is equal to n+sod(n) for n = 140551614497 and 140551614506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140551614547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69639 + ... + 534745.

Almost surely, 2^140551614544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140551614544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158832521568).

140551614544 is an abundant number, since it is smaller than the sum of its proper divisors (177113428592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140551614544 is a wasteful number, since it uses less digits than its factorization.

140551614544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465244 (or 465238 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

Adding to 140551614544 its reverse (445416155041), we get a palindrome (585967769585).

The spelling of 140551614544 in words is "one hundred forty billion, five hundred fifty-one million, six hundred fourteen thousand, five hundred forty-four".