140220111341442 has 128 divisors (see below), whose sum is σ = 319903629078528. Its totient is φ = 40595165452800.

The previous prime is 140220111341417. The next prime is 140220111341461. The reversal of 140220111341442 is 244143111022041.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 220703392 + ... + 221337812.

It is an arithmetic number, because the mean of its divisors is an integer number (2499247102176).

Almost surely, 2^{140220111341442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140220111341442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159951814539264).

140220111341442 is an abundant number, since it is smaller than the sum of its proper divisors (179683517737086).

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

140220111341442 is a wasteful number, since it uses less digits than its factorization.

140220111341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636184.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 140220111341442 its reverse (244143111022041), we get a palindrome (384363222363483).

The spelling of 140220111341442 in words is "one hundred forty trillion, two hundred twenty billion, one hundred eleven million, three hundred forty-one thousand, four hundred forty-two".