140120208 has 30 divisors (see below), whose sum is σ = 392142374. Its totient is φ = 46706688.

The previous prime is 140120191. The next prime is 140120237. The reversal of 140120208 is 802021041.

140120208 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., 86713344 + 53406864 = 9312^2 + 7308^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 486385 + ... + 486672.

Almost surely, 2^140120208 is an apocalyptic number.

140120208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140120208 is an abundant number, since it is smaller than the sum of its proper divisors (252022166).

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

140120208 is a wasteful number, since it uses less digits than its factorization.

140120208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973071 (or 973062 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 140120208 is about 11837.2381914026. The cubic root of 140120208 is about 519.3979817970.

Adding to 140120208 its reverse (802021041), we get a palindrome (942141249).

It can be divided in two parts, 1401 and 20208, that added together give a square (21609 = 147²).

The spelling of 140120208 in words is "one hundred forty million, one hundred twenty thousand, two hundred eight".