140304106 has 8 divisors (see below), whose sum is σ = 210651300. Its totient is φ = 70087008.

The previous prime is 140304089. The next prime is 140304107. The reversal of 140304106 is 601403041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140304025 + 81 = 11845^2 + 9^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140304107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29781 + ... + 34168.

Almost surely, 2^140304106 is an apocalyptic number.

140304106 is a deficient number, since it is larger than the sum of its proper divisors (70347194).

140304106 is a wasteful number, since it uses less digits than its factorization.

140304106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65048.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140304106 is about 11845.0034191637. The cubic root of 140304106 is about 519.6251070055.

Adding to 140304106 its reverse (601403041), we get a palindrome (741707147).

The spelling of 140304106 in words is "one hundred forty million, three hundred four thousand, one hundred six".