140430004330021 has 16 divisors (see below), whose sum is σ = 164942014257280. Its totient is φ = 117035099104320.

The previous prime is 140430004330019. The next prime is 140430004330037. The reversal of 140430004330021 is 120033400034041.

It is a cyclic number.

It is not a de Polignac number, because 140430004330021 - 2¹ = 140430004330019 is a prime.

It is a super-2 number, since 2×140430004330021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140430004330921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185434590 + ... + 186190351.

It is an arithmetic number, because the mean of its divisors is an integer number (10308875891080).

Almost surely, 2^{140430004330021} is an apocalyptic number.

It is an amenable number.

140430004330021 is a deficient number, since it is larger than the sum of its proper divisors (24512009927259).

140430004330021 is a wasteful number, since it uses less digits than its factorization.

140430004330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371626444.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 140430004330021 its reverse (120033400034041), we get a palindrome (260463404364062).

The spelling of 140430004330021 in words is "one hundred forty trillion, four hundred thirty billion, four million, three hundred thirty thousand, twenty-one".