1340502354 has 24 divisors (see below), whose sum is σ = 2906045532. Its totient is φ = 446584320.

The previous prime is 1340502323. The next prime is 1340502391. The reversal of 1340502354 is 4532050431.

It can be written as a sum of positive squares in 2 ways, for example, as 965034225 + 375468129 = 31065^2 + 19377^2 .

It is a super-2 number, since 2×1340502354² = 3593893122159082632, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13834 + ... + 53594.

Almost surely, 2^1340502354 is an apocalyptic number.

1340502354 is an abundant number, since it is smaller than the sum of its proper divisors (1565543178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340502354 is a wasteful number, since it uses less digits than its factorization.

1340502354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41642 (or 41639 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1340502354 is about 36612.8714252242. The cubic root of 1340502354 is about 1102.6115234185.

Adding to 1340502354 its reverse (4532050431), we get a palindrome (5872552785).

The spelling of 1340502354 in words is "one billion, three hundred forty million, five hundred two thousand, three hundred fifty-four".