140050513421 has 64 divisors (see below), whose sum is σ = 184385134080. Its totient is φ = 103394672640.

The previous prime is 140050513403. The next prime is 140050513543. The reversal of 140050513421 is 124315050041.

It is not a de Polignac number, because 140050513421 - 2¹⁸ = 140050251277 is a prime.

It is a super-2 number, since 2×140050513421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140050513321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11571245 + ... + 11583341.

It is an arithmetic number, because the mean of its divisors is an integer number (2881017720).

Almost surely, 2^140050513421 is an apocalyptic number.

It is an amenable number.

140050513421 is a deficient number, since it is larger than the sum of its proper divisors (44334620659).

140050513421 is a wasteful number, since it uses less digits than its factorization.

140050513421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 140050513421 its reverse (124315050041), we get a palindrome (264365563462).

The spelling of 140050513421 in words is "one hundred forty billion, fifty million, five hundred thirteen thousand, four hundred twenty-one".