140148259126929 has 9 divisors (see below), whose sum is σ = 202436425594299. Its totient is φ = 93432149074440.

The previous prime is 140148259126927. The next prime is 140148259126949. The reversal of 140148259126929 is 929621952841041.

The square root of 140148259126929 is 11838423.

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

140148259126929 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 482 + 5 + 9 + 126 + 9 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120485242636929 + 19663016490000 = 10976577^2 + 4434300^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 140148259126929 - 2¹ = 140148259126927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140148259126927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33542199 + ... + 37488339.

Almost surely, 2^{140148259126929} is an apocalyptic number.

140148259126929 is the 11838423-rd square number.

140148259126929 is the 5919212-nd centered octagonal number.

It is an amenable number.

140148259126929 is a deficient number, since it is larger than the sum of its proper divisors (62288166467370).

140148259126929 is an frugal number, since it uses more digits than its factorization.

140148259126929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892288 (or 3946144 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 140148259126929 in words is "one hundred forty trillion, one hundred forty-eight billion, two hundred fifty-nine million, one hundred twenty-six thousand, nine hundred twenty-nine".