140009600 has 48 divisors (see below), whose sum is σ = 345875370. Its totient is φ = 56002560.

The previous prime is 140009587. The next prime is 140009647. The reversal of 140009600 is 6900041.

It can be written as a sum of positive squares in 3 ways, for example, as 101767744 + 38241856 = 10088^2 + 6184^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18677 + ... + 25076.

Almost surely, 2^140009600 is an apocalyptic number.

140009600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140009600 is an abundant number, since it is smaller than the sum of its proper divisors (205865770).

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

140009600 is an equidigital number, since it uses as much as digits as its factorization.

140009600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43777 (or 43760 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 140009600 is about 11832.5652332873. The cubic root of 140009600 is about 519.2612784718.

Adding to 140009600 its reverse (6900041), we get a palindrome (146909641).

The spelling of 140009600 in words is "one hundred forty million, nine thousand, six hundred".