140250251389 has 4 divisors (see below), whose sum is σ = 142549435900. Its totient is φ = 137951066880.

The previous prime is 140250251357. The next prime is 140250251419. The reversal of 140250251389 is 983152052041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983152052041 = 76001 ⋅12936041.

It can be written as a sum of positive squares in 2 ways, for example, as 7493499225 + 132756752164 = 86565^2 + 364358^2 .

It is a cyclic number.

It is not a de Polignac number, because 140250251389 - 2⁵ = 140250251357 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 (140250251329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149592164 + ... + 1149592285.

It is an arithmetic number, because the mean of its divisors is an integer number (35637358975).

Almost surely, 2^140250251389 is an apocalyptic number.

It is an amenable number.

140250251389 is a deficient number, since it is larger than the sum of its proper divisors (2299184511).

140250251389 is an equidigital number, since it uses as much as digits as its factorization.

140250251389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299184510.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 140250251389 in words is "one hundred forty billion, two hundred fifty million, two hundred fifty-one thousand, three hundred eighty-nine".