140231404529 has 2 divisors, whose sum is σ = 140231404530. Its totient is φ = 140231404528.

The previous prime is 140231404493. The next prime is 140231404549. The reversal of 140231404529 is 925404132041.

140231404529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84416397025 + 55815007504 = 290545^2 + 236252^2 .

It is a cyclic number.

It is not a de Polignac number, because 140231404529 - 2¹² = 140231400433 is a prime.

It is not a weakly prime, because it can be changed into another prime (140231404549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70115702264 + 70115702265.

It is an arithmetic number, because the mean of its divisors is an integer number (70115702265).

Almost surely, 2^140231404529 is an apocalyptic number.

It is an amenable number.

140231404529 is a deficient number, since it is larger than the sum of its proper divisors (1).

140231404529 is an equidigital number, since it uses as much as digits as its factorization.

140231404529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 140231404529 in words is "one hundred forty billion, two hundred thirty-one million, four hundred four thousand, five hundred twenty-nine".