140142766525 has 12 divisors (see below), whose sum is σ = 176157540052. Its totient is φ = 110578400640.

The previous prime is 140142766417. The next prime is 140142766529. The reversal of 140142766525 is 525667241041.

It can be written as a sum of positive squares in 6 ways, for example, as 23569004484 + 116573762041 = 153522^2 + 341429^2 .

It is not a de Polignac number, because 140142766525 - 2¹³ = 140142758333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140142766529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38393454 + ... + 38397103.

Almost surely, 2^140142766525 is an apocalyptic number.

It is an amenable number.

140142766525 is a deficient number, since it is larger than the sum of its proper divisors (36014773527).

140142766525 is an equidigital number, since it uses as much as digits as its factorization.

140142766525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76790640 (or 76790635 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 140142766525 in words is "one hundred forty billion, one hundred forty-two million, seven hundred sixty-six thousand, five hundred twenty-five".