140213134409969 has 2 divisors, whose sum is σ = 140213134409970. Its totient is φ = 140213134409968.

The previous prime is 140213134409963. The next prime is 140213134410031. The reversal of 140213134409969 is 969904431312041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140208333721600 + 4800688369 = 11840960^2 + 69287^2 .

It is a cyclic number.

It is not a de Polignac number, because 140213134409969 - 2¹² = 140213134405873 is a prime.

It is a super-2 number, since 2×140213134409969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140213134409963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70106567204984 + 70106567204985.

It is an arithmetic number, because the mean of its divisors is an integer number (70106567204985).

Almost surely, 2^{140213134409969} is an apocalyptic number.

It is an amenable number.

140213134409969 is a deficient number, since it is larger than the sum of its proper divisors (1).

140213134409969 is an equidigital number, since it uses as much as digits as its factorization.

140213134409969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 140213134409969 in words is "one hundred forty trillion, two hundred thirteen billion, one hundred thirty-four million, four hundred nine thousand, nine hundred sixty-nine".