1340504362 has 4 divisors (see below), whose sum is σ = 2010756546. Its totient is φ = 670252180.

The previous prime is 1340504357. The next prime is 1340504369. The reversal of 1340504362 is 2634050431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2634050431 = 17 ⋅154944143.

It can be written as a sum of positive squares in only one way, i.e., 932019841 + 408484521 = 30529^2 + 20211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1340504362.

It is not an unprimeable number, because it can be changed into a prime (1340504369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335126089 + ... + 335126092.

Almost surely, 2^1340504362 is an apocalyptic number.

1340504362 is a deficient number, since it is larger than the sum of its proper divisors (670252184).

1340504362 is an equidigital number, since it uses as much as digits as its factorization.

1340504362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670252183.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1340504362 is about 36612.8988472642. The cubic root of 1340504362 is about 1102.6120739690.

Adding to 1340504362 its reverse (2634050431), we get a palindrome (3974554793).

The spelling of 1340504362 in words is "one billion, three hundred forty million, five hundred four thousand, three hundred sixty-two".