140763784225 has 9 divisors (see below), whose sum is σ = 174549418617. Its totient is φ = 112609526640.

The previous prime is 140763784219. The next prime is 140763784253. The reversal of 140763784225 is 522487367041.

The square root of 140763784225 is 375185.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 59091289569 + 81672494656 = 243087^2 + 285784^2 .

It is not a de Polignac number, because 140763784225 - 2¹³ = 140763776033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1838407 + ... + 1913443.

Almost surely, 2^140763784225 is an apocalyptic number.

140763784225 is the 375185-th square number.

140763784225 is the 187593-rd centered octagonal number.

It is an amenable number.

140763784225 is a deficient number, since it is larger than the sum of its proper divisors (33785634392).

140763784225 is an frugal number, since it uses more digits than its factorization.

140763784225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150084 (or 75042 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

Multiplying 140763784225 by its sum of digits (49), we get a square (6897425427025 = 2626295²).

The spelling of 140763784225 in words is "one hundred forty billion, seven hundred sixty-three million, seven hundred eighty-four thousand, two hundred twenty-five".