140251856 has 10 divisors (see below), whose sum is σ = 271738002. Its totient is φ = 70125920.

The previous prime is 140251849. The next prime is 140251879. The reversal of 140251856 is 658152041.

140251856 is digitally balanced in base 3, 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 only one way, i.e., 102010000 + 38241856 = 10100^2 + 6184^2 .

It is a super-2 number, since 2×140251856² = 39341166222889472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4382855 + ... + 4382886.

Almost surely, 2^140251856 is an apocalyptic number.

140251856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140251856 is a deficient number, since it is larger than the sum of its proper divisors (131486146).

140251856 is an equidigital number, since it uses as much as digits as its factorization.

140251856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8765749 (or 8765743 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 140251856 is about 11842.7976424492. The cubic root of 140251856 is about 519.5605952730.

The spelling of 140251856 in words is "one hundred forty million, two hundred fifty-one thousand, eight hundred fifty-six".