201440102 has 8 divisors (see below), whose sum is σ = 302275800. Its totient is φ = 100681504.

The previous prime is 201440081. The next prime is 201440111. The reversal of 201440102 is 201044102.

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

It is a super-2 number, since 2×201440102² = 81156229387540808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12227 + ... + 23502.

It is an arithmetic number, because the mean of its divisors is an integer number (37784475).

Almost surely, 2^201440102 is an apocalyptic number.

201440102 is a deficient number, since it is larger than the sum of its proper divisors (100835698).

201440102 is a wasteful number, since it uses less digits than its factorization.

201440102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38550.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 201440102 is about 14192.9595926995. The cubic root of 201440102 is about 586.2038200403.

Adding to 201440102 its reverse (201044102), we get a palindrome (402484204).

The spelling of 201440102 in words is "two hundred one million, four hundred forty thousand, one hundred two".