1340103242 has 4 divisors (see below), whose sum is σ = 2010154866. Its totient is φ = 670051620.

The previous prime is 1340103241. The next prime is 1340103263. The reversal of 1340103242 is 2423010431.

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

It can be written as a sum of positive squares in only one way, i.e., 1302415921 + 37687321 = 36089^2 + 6139^2 .

It is not an unprimeable number, because it can be changed into a prime (1340103241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335025809 + ... + 335025812.

Almost surely, 2^1340103242 is an apocalyptic number.

1340103242 is a deficient number, since it is larger than the sum of its proper divisors (670051624).

1340103242 is an equidigital number, since it uses as much as digits as its factorization.

1340103242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670051623.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1340103242 is about 36607.4205865423. The cubic root of 1340103242 is about 1102.5020845527.

Adding to 1340103242 its reverse (2423010431), we get a palindrome (3763113673).

The spelling of 1340103242 in words is "one billion, three hundred forty million, one hundred three thousand, two hundred forty-two".