140425828 has 12 divisors (see below), whose sum is σ = 246703212. Its totient is φ = 69939200.

The previous prime is 140425823. The next prime is 140425849. The reversal of 140425828 is 828524041.

140425828 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 2 ways, for example, as 100962304 + 39463524 = 10048^2 + 6282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140425793 and 140425802.

It is not an unprimeable number, because it can be changed into a prime (140425823) 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, 67273 + ... + 69328.

It is an arithmetic number, because the mean of its divisors is an integer number (20558601).

Almost surely, 2^140425828 is an apocalyptic number.

It is an amenable number.

140425828 is a deficient number, since it is larger than the sum of its proper divisors (106277384).

140425828 is a wasteful number, since it uses less digits than its factorization.

140425828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136862 (or 136860 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 140425828 is about 11850.1404211089. The cubic root of 140425828 is about 519.7753319393.

Adding to 140425828 its reverse (828524041), we get a palindrome (968949869).

The spelling of 140425828 in words is "one hundred forty million, four hundred twenty-five thousand, eight hundred twenty-eight".