1340351354 has 8 divisors (see below), whose sum is σ = 2017389780. Its totient is φ = 667888096.

The previous prime is 1340351351. The next prime is 1340351387. The reversal of 1340351354 is 4531530431.

It can be written as a sum of positive squares in 2 ways, for example, as 922762129 + 417589225 = 30377^2 + 20435^2 .

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 (1340351351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143059 + ... + 1144230.

Almost surely, 2^1340351354 is an apocalyptic number.

1340351354 is a deficient number, since it is larger than the sum of its proper divisors (677038426).

1340351354 is a wasteful number, since it uses less digits than its factorization.

1340351354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287584.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1340351354 is about 36610.8092508210. The cubic root of 1340351354 is about 1102.5701208822.

Adding to 1340351354 its reverse (4531530431), we get a palindrome (5871881785).

The spelling of 1340351354 in words is "one billion, three hundred forty million, three hundred fifty-one thousand, three hundred fifty-four".