140424230030921 has 2 divisors, whose sum is σ = 140424230030922. Its totient is φ = 140424230030920.

The previous prime is 140424230030911. The next prime is 140424230031023. The reversal of 140424230030921 is 129030032424041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133377668655625 + 7046561375296 = 11548925^2 + 2654536^2 .

It is a cyclic number.

It is not a de Polignac number, because 140424230030921 - 2³⁴ = 140407050161737 is a prime.

It is a super-2 number, since 2×140424230030921² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140424230030911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70212115015460 + 70212115015461.

It is an arithmetic number, because the mean of its divisors is an integer number (70212115015461).

Almost surely, 2^{140424230030921} is an apocalyptic number.

It is an amenable number.

140424230030921 is a deficient number, since it is larger than the sum of its proper divisors (1).

140424230030921 is an equidigital number, since it uses as much as digits as its factorization.

140424230030921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 140424230030921 its reverse (129030032424041), we get a palindrome (269454262454962).

The spelling of 140424230030921 in words is "one hundred forty trillion, four hundred twenty-four billion, two hundred thirty million, thirty thousand, nine hundred twenty-one".