140554112556 has 288 divisors, whose sum is σ = 414568788480. Its totient is φ = 36727004160.

The previous prime is 140554112509. The next prime is 140554112557. The reversal of 140554112556 is 655211455041.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (140554112557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18664600 + ... + 18672128.

It is an arithmetic number, because the mean of its divisors is an integer number (1439474960).

Almost surely, 2^140554112556 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 140554112556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207284394240).

140554112556 is an abundant number, since it is smaller than the sum of its proper divisors (274014675924).

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

140554112556 is a wasteful number, since it uses less digits than its factorization.

140554112556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7624 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

Adding to 140554112556 its reverse (655211455041), we get a palindrome (795765567597).

The spelling of 140554112556 in words is "one hundred forty billion, five hundred fifty-four million, one hundred twelve thousand, five hundred fifty-six".