1340143504 has 40 divisors (see below), whose sum is σ = 3036482240. Its totient is φ = 560988288.

The previous prime is 1340143499. The next prime is 1340143513. The reversal of 1340143504 is 4053410431.

It is a super-2 number, since 2×1340143504² = 3591969222626796032, 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 7 ways as a sum of consecutive naturals, for example, 134319 + ... + 143950.

It is an arithmetic number, because the mean of its divisors is an integer number (75912056).

Almost surely, 2^1340143504 is an apocalyptic number.

1340143504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1340143504 is an abundant number, since it is smaller than the sum of its proper divisors (1696338736).

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

1340143504 is a wasteful number, since it uses less digits than its factorization.

1340143504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278327 (or 278321 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1340143504 is about 36607.9704982399. The cubic root of 1340143504 is about 1102.5131256161.

Adding to 1340143504 its reverse (4053410431), we get a palindrome (5393553935).

The spelling of 1340143504 in words is "one billion, three hundred forty million, one hundred forty-three thousand, five hundred four".