140420230433293 has 2 divisors, whose sum is σ = 140420230433294. Its totient is φ = 140420230433292.

The previous prime is 140420230433227. The next prime is 140420230433299. The reversal of 140420230433293 is 392334032024041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134259797224809 + 6160433208484 = 11587053^2 + 2482022^2 .

It is an emirp because it is prime and its reverse (392334032024041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140420230433293 is a prime.

It is a super-2 number, since 2×140420230433293² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140420230433299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70210115216646 + 70210115216647.

It is an arithmetic number, because the mean of its divisors is an integer number (70210115216647).

Almost surely, 2^{140420230433293} is an apocalyptic number.

It is an amenable number.

140420230433293 is a deficient number, since it is larger than the sum of its proper divisors (1).

140420230433293 is an equidigital number, since it uses as much as digits as its factorization.

140420230433293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 140420230433293 in words is "one hundred forty trillion, four hundred twenty billion, two hundred thirty million, four hundred thirty-three thousand, two hundred ninety-three".