140121532252529 has 2 divisors, whose sum is σ = 140121532252530. Its totient is φ = 140121532252528.

The previous prime is 140121532252523. The next prime is 140121532252547. The reversal of 140121532252529 is 925252235121041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136930836045025 + 3190696207504 = 11701745^2 + 1786252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140121532252529 is a prime.

It is a super-3 number, since 3×140121532252529³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140121532252529.

It is not a weakly prime, because it can be changed into another prime (140121532252523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70060766126264 + 70060766126265.

It is an arithmetic number, because the mean of its divisors is an integer number (70060766126265).

Almost surely, 2^{140121532252529} is an apocalyptic number.

It is an amenable number.

140121532252529 is a deficient number, since it is larger than the sum of its proper divisors (1).

140121532252529 is an equidigital number, since it uses as much as digits as its factorization.

140121532252529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 140121532252529 in words is "one hundred forty trillion, one hundred twenty-one billion, five hundred thirty-two million, two hundred fifty-two thousand, five hundred twenty-nine".