140425888 has 36 divisors (see below), whose sum is σ = 286733790. Its totient is φ = 67617536.

The previous prime is 140425867. The next prime is 140425907. The reversal of 140425888 is 888524041.

It can be written as a sum of positive squares in 3 ways, for example, as 87834384 + 52591504 = 9372^2 + 7252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140425888.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360798 + ... + 361186.

Almost surely, 2^140425888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140425888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143366895).

140425888 is an abundant number, since it is smaller than the sum of its proper divisors (146307902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140425888 is an frugal number, since it uses more digits than its factorization.

140425888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 140425888 is about 11850.1429527242. The cubic root of 140425888 is about 519.7754059678.

The spelling of 140425888 in words is "one hundred forty million, four hundred twenty-five thousand, eight hundred eighty-eight".