140045347529 has 2 divisors, whose sum is σ = 140045347530. Its totient is φ = 140045347528.

The previous prime is 140045347447. The next prime is 140045347543. The reversal of 140045347529 is 925743540041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139842342025 + 203005504 = 373955^2 + 14248^2 .

It is a cyclic number.

It is not a de Polignac number, because 140045347529 - 2¹⁶ = 140045281993 is a prime.

It is a super-2 number, since 2×140045347529² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140045347529.

It is not a weakly prime, because it can be changed into another prime (140045347549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70022673764 + 70022673765.

It is an arithmetic number, because the mean of its divisors is an integer number (70022673765).

Almost surely, 2^140045347529 is an apocalyptic number.

It is an amenable number.

140045347529 is a deficient number, since it is larger than the sum of its proper divisors (1).

140045347529 is an equidigital number, since it uses as much as digits as its factorization.

140045347529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 140045347529 in words is "one hundred forty billion, forty-five million, three hundred forty-seven thousand, five hundred twenty-nine".