140004421535 has 24 divisors (see below), whose sum is σ = 194386320240. Its totient is φ = 96462368640.

The previous prime is 140004421489. The next prime is 140004421537. The reversal of 140004421535 is 535124400041.

It is not a de Polignac number, because 140004421535 - 2⁸ = 140004421279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140004421498 and 140004421507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140004421537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6078302 + ... + 6101291.

It is an arithmetic number, because the mean of its divisors is an integer number (8099430010).

Almost surely, 2^140004421535 is an apocalyptic number.

140004421535 is a deficient number, since it is larger than the sum of its proper divisors (54381898705).

140004421535 is a wasteful number, since it uses less digits than its factorization.

140004421535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12179639 (or 12179628 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 140004421535 its reverse (535124400041), we get a palindrome (675128821576).

The spelling of 140004421535 in words is "one hundred forty billion, four million, four hundred twenty-one thousand, five hundred thirty-five".