140001390025 has 36 divisors (see below), whose sum is σ = 202043480220. Its totient is φ = 95954073600.

The previous prime is 140001389999. The next prime is 140001390037. The reversal of 140001390025 is 520093100041.

140001390025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 14241080896 + 125760309129 = 119336^2 + 354627^2 .

It is not a de Polignac number, because 140001390025 - 2¹³ = 140001381833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 2581185 + ... + 2634865.

It is an arithmetic number, because the mean of its divisors is an integer number (5612318895).

Almost surely, 2^140001390025 is an apocalyptic number.

It is an amenable number.

140001390025 is a deficient number, since it is larger than the sum of its proper divisors (62042090195).

140001390025 is a wasteful number, since it uses less digits than its factorization.

140001390025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55834 (or 55822 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 140001390025 its reverse (520093100041), we get a palindrome (660094490066).

The spelling of 140001390025 in words is "one hundred forty billion, one million, three hundred ninety thousand, twenty-five".