140639250361 has 3 divisors (see below), whose sum is σ = 140639625381. Its totient is φ = 140638875342.

The previous prime is 140639250337. The next prime is 140639250397. The reversal of 140639250361 is 163052936041.

The square root of 140639250361 is 375019.

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

140639250361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 140639250361 - 2¹³ = 140639242169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140609250361) 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 in 2 ways as a sum of consecutive naturals, for example, 187510 + ... + 562528.

It is an arithmetic number, because the mean of its divisors is an integer number (46879875127).

Almost surely, 2^140639250361 is an apocalyptic number.

140639250361 is the 375019-th square number.

140639250361 is the 187510-th centered octagonal number.

It is an amenable number.

140639250361 is a deficient number, since it is larger than the sum of its proper divisors (375020).

140639250361 is an frugal number, since it uses more digits than its factorization.

140639250361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750038 (or 375019 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 140639250361 in words is "one hundred forty billion, six hundred thirty-nine million, two hundred fifty thousand, three hundred sixty-one".