140534455143569 has 2 divisors, whose sum is σ = 140534455143570. Its totient is φ = 140534455143568.

The previous prime is 140534455143521. The next prime is 140534455143581. The reversal of 140534455143569 is 965341554435041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118271345319169 + 22263109824400 = 10875263^2 + 4718380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140534455143569 is a prime.

It is a super-2 number, since 2×140534455143569² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140534455148569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70267227571784 + 70267227571785.

It is an arithmetic number, because the mean of its divisors is an integer number (70267227571785).

Almost surely, 2^{140534455143569} is an apocalyptic number.

It is an amenable number.

140534455143569 is a deficient number, since it is larger than the sum of its proper divisors (1).

140534455143569 is an equidigital number, since it uses as much as digits as its factorization.

140534455143569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760000, while the sum is 59.

The spelling of 140534455143569 in words is "one hundred forty trillion, five hundred thirty-four billion, four hundred fifty-five million, one hundred forty-three thousand, five hundred sixty-nine".