140025816 has 48 divisors (see below), whose sum is σ = 433414800. Its totient is φ = 40007232.

The previous prime is 140025811. The next prime is 140025829. The reversal of 140025816 is 618520041.

140025816 is a `hidden beast` number, since 1 + 400 + 258 + 1 + 6 = 666.

140025816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140025816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140025811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138411 + ... + 139418.

It is an arithmetic number, because the mean of its divisors is an integer number (9029475).

Almost surely, 2^140025816 is an apocalyptic number.

It is an amenable number.

140025816 is an abundant number, since it is smaller than the sum of its proper divisors (293388984).

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

140025816 is a wasteful number, since it uses less digits than its factorization.

140025816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277848 (or 277841 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 140025816 is about 11833.2504410242. The cubic root of 140025816 is about 519.2813247539.

Adding to 140025816 its reverse (618520041), we get a palindrome (758545857).

The spelling of 140025816 in words is "one hundred forty million, twenty-five thousand, eight hundred sixteen".