140444102 has 8 divisors (see below), whose sum is σ = 212599200. Its totient is φ = 69577704.

The previous prime is 140444099. The next prime is 140444107. The reversal of 140444102 is 201444041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140444107) 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, 321902 + ... + 322337.

It is an arithmetic number, because the mean of its divisors is an integer number (26574900).

Almost surely, 2^140444102 is an apocalyptic number.

140444102 is a deficient number, since it is larger than the sum of its proper divisors (72155098).

140444102 is a wasteful number, since it uses less digits than its factorization.

140444102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644350.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 140444102 is about 11850.9114417415. The cubic root of 140444102 is about 519.7978775602.

Adding to 140444102 its reverse (201444041), we get a palindrome (341888143).

The spelling of 140444102 in words is "one hundred forty million, four hundred forty-four thousand, one hundred two".