140155430219969 has 2 divisors, whose sum is σ = 140155430219970. Its totient is φ = 140155430219968.

The previous prime is 140155430219867. The next prime is 140155430220037. The reversal of 140155430219969 is 969912034551041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90666808135744 + 49488622084225 = 9521912^2 + 7034815^2 .

It is a cyclic number.

It is not a de Polignac number, because 140155430219969 - 2⁸ = 140155430219713 is a prime.

It is a super-2 number, since 2×140155430219969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140155430219369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70077715109984 + 70077715109985.

It is an arithmetic number, because the mean of its divisors is an integer number (70077715109985).

Almost surely, 2^{140155430219969} is an apocalyptic number.

It is an amenable number.

140155430219969 is a deficient number, since it is larger than the sum of its proper divisors (1).

140155430219969 is an equidigital number, since it uses as much as digits as its factorization.

140155430219969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 140155430219969 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred thirty million, two hundred nineteen thousand, nine hundred sixty-nine".