140512202423969 has 2 divisors, whose sum is σ = 140512202423970. Its totient is φ = 140512202423968.

The previous prime is 140512202423951. The next prime is 140512202424049. The reversal of 140512202423969 is 969324202215041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134102884878400 + 6409317545569 = 11580280^2 + 2531663^2 .

It is a cyclic number.

It is not a de Polignac number, because 140512202423969 - 2²⁰ = 140512201375393 is a prime.

It is a super-2 number, since 2×140512202423969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140512202423909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70256101211984 + 70256101211985.

It is an arithmetic number, because the mean of its divisors is an integer number (70256101211985).

Almost surely, 2^{140512202423969} is an apocalyptic number.

It is an amenable number.

140512202423969 is a deficient number, since it is larger than the sum of its proper divisors (1).

140512202423969 is an equidigital number, since it uses as much as digits as its factorization.

140512202423969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 140512202423969 in words is "one hundred forty trillion, five hundred twelve billion, two hundred two million, four hundred twenty-three thousand, nine hundred sixty-nine".