140213340213409 has 2 divisors, whose sum is σ = 140213340213410. Its totient is φ = 140213340213408.

The previous prime is 140213340213379. The next prime is 140213340213467. The reversal of 140213340213409 is 904312043312041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127920624040000 + 12292716173409 = 11310200^2 + 3506097^2 .

It is a cyclic number.

It is not a de Polignac number, because 140213340213409 - 2²³ = 140213331824801 is a prime.

It is not a weakly prime, because it can be changed into another prime (140213340213109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70106670106704 + 70106670106705.

It is an arithmetic number, because the mean of its divisors is an integer number (70106670106705).

Almost surely, 2^{140213340213409} is an apocalyptic number.

It is an amenable number.

140213340213409 is a deficient number, since it is larger than the sum of its proper divisors (1).

140213340213409 is an equidigital number, since it uses as much as digits as its factorization.

140213340213409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 140213340213409 in words is "one hundred forty trillion, two hundred thirteen billion, three hundred forty million, two hundred thirteen thousand, four hundred nine".