140630250049 has 9 divisors (see below), whose sum is σ = 145325060451. Its totient is φ = 136082540160.

The previous prime is 140630250011. The next prime is 140630250083. The reversal of 140630250049 is 940052036041.

It is a happy number.

The square root of 140630250049 is 375007.

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

It can be written as a sum of positive squares in only one way, i.e., 3901876225 + 136728373824 = 62465^2 + 369768^2 .

It is not a de Polignac number, because 140630250049 - 2⁹ = 140630249537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140630249996 and 140630250023.

It is not an unprimeable number, because it can be changed into a prime (140630257049) 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 8 ways as a sum of consecutive naturals, for example, 11619169 + ... + 11631265.

It is an arithmetic number, because the mean of its divisors is an integer number (16147228939).

Almost surely, 2^140630250049 is an apocalyptic number.

140630250049 is the 375007-th square number.

140630250049 is the 187504-th centered octagonal number.

It is an amenable number.

140630250049 is a deficient number, since it is larger than the sum of its proper divisors (4694810402).

140630250049 is an frugal number, since it uses more digits than its factorization.

140630250049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24256 (or 12128 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 140630250049 in words is "one hundred forty billion, six hundred thirty million, two hundred fifty thousand, forty-nine".