140025856 has 28 divisors (see below), whose sum is σ = 280051002. Its totient is φ = 70008832.

The previous prime is 140025829. The next prime is 140025857. The reversal of 140025856 is 658520041.

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 23040000 = 10816^2 + 4800^2 .

It is not an unprimeable number, because it can be changed into a prime (140025857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355 + ... + 16738.

Almost surely, 2^140025856 is an apocalyptic number.

140025856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140025856 is a deficient number, since it is larger than the sum of its proper divisors (140025146).

140025856 is an frugal number, since it uses more digits than its factorization.

140025856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17119 (or 17095 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 140025856 is about 11833.2521311768. The cubic root of 140025856 is about 519.2813742002.

Adding to 140025856 its reverse (658520041), we get a palindrome (798545897).

The spelling of 140025856 in words is "one hundred forty million, twenty-five thousand, eight hundred fifty-six".