1340143102 has 4 divisors (see below), whose sum is σ = 2010214656. Its totient is φ = 670071550.

The previous prime is 1340143073. The next prime is 1340143111. The reversal of 1340143102 is 2013410431.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1340143102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335035774 + ... + 335035777.

It is an arithmetic number, because the mean of its divisors is an integer number (502553664).

Almost surely, 2^1340143102 is an apocalyptic number.

1340143102 is a deficient number, since it is larger than the sum of its proper divisors (670071554).

1340143102 is an equidigital number, since it uses as much as digits as its factorization.

1340143102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670071553.

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

The square root of 1340143102 is about 36607.9650076319. The cubic root of 1340143102 is about 1102.5130153766.

Adding to 1340143102 its reverse (2013410431), we get a palindrome (3353553533).

The spelling of 1340143102 in words is "one billion, three hundred forty million, one hundred forty-three thousand, one hundred two".