140001301421 has 8 divisors (see below), whose sum is σ = 142161948384. Its totient is φ = 137842745040.

The previous prime is 140001301411. The next prime is 140001301423. The reversal of 140001301421 is 124103100041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140001301421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140001301421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140001301423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387410 + ... + 655811.

It is an arithmetic number, because the mean of its divisors is an integer number (17770243548).

Almost surely, 2^140001301421 is an apocalyptic number.

It is an amenable number.

140001301421 is a deficient number, since it is larger than the sum of its proper divisors (2160646963).

140001301421 is a wasteful number, since it uses less digits than its factorization.

140001301421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045291.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 140001301421 its reverse (124103100041), we get a palindrome (264104401462).

The spelling of 140001301421 in words is "one hundred forty billion, one million, three hundred one thousand, four hundred twenty-one".