140234344443402 has 128 divisors (see below), whose sum is σ = 330102898898688. Its totient is φ = 39237746995200.

The previous prime is 140234344443343. The next prime is 140234344443449. The reversal of 140234344443402 is 204344443432041.

140234344443402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140234344443402² (a number of 29 digits) contains 22 as substring.

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, 795626428 + ... + 795802664.

It is an arithmetic number, because the mean of its divisors is an integer number (2578928897646).

Almost surely, 2^{140234344443402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140234344443402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165051449449344).

140234344443402 is an abundant number, since it is smaller than the sum of its proper divisors (189868554455286).

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

140234344443402 is a wasteful number, since it uses less digits than its factorization.

140234344443402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189704.

The product of its (nonzero) digits is 1769472, while the sum is 42.

Adding to 140234344443402 its reverse (204344443432041), we get a palindrome (344578787875443).

The spelling of 140234344443402 in words is "one hundred forty trillion, two hundred thirty-four billion, three hundred forty-four million, four hundred forty-three thousand, four hundred two".