1340354500 has 24 divisors (see below), whose sum is σ = 2927335320. Its totient is φ = 536141600.

The previous prime is 1340354473. The next prime is 1340354503. The reversal of 1340354500 is 54530431.

It can be written as a sum of positive squares in 4 ways, for example, as 377369476 + 962985024 = 19426^2 + 31032^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1340354503) 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 7 ways as a sum of consecutive naturals, for example, 1339855 + ... + 1340854.

It is an arithmetic number, because the mean of its divisors is an integer number (121972305).

Almost surely, 2^1340354500 is an apocalyptic number.

1340354500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340354500 is an abundant number, since it is smaller than the sum of its proper divisors (1586980820).

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

1340354500 is a wasteful number, since it uses less digits than its factorization.

1340354500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680728 (or 2680716 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1340354500 is about 36610.8522162487. The cubic root of 1340354500 is about 1102.5709835125.

Adding to 1340354500 its reverse (54530431), we get a palindrome (1394884931).

The spelling of 1340354500 in words is "one billion, three hundred forty million, three hundred fifty-four thousand, five hundred".