1341511840 has 24 divisors (see below), whose sum is σ = 3169322100. Its totient is φ = 536604672.

The previous prime is 1341511813. The next prime is 1341511859. The reversal of 1341511840 is 481151431.

It can be written as a sum of positive squares in 2 ways, for example, as 1340438544 + 1073296 = 36612^2 + 1036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1341511799 and 1341511808.

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 3 ways as a sum of consecutive naturals, for example, 4192065 + ... + 4192384.

Almost surely, 2^1341511840 is an apocalyptic number.

1341511840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341511840 is an abundant number, since it is smaller than the sum of its proper divisors (1827810260).

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

1341511840 is an equidigital number, since it uses as much as digits as its factorization.

1341511840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8384464 (or 8384456 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1341511840 is about 36626.6547749040. The cubic root of 1341511840 is about 1102.8882335152. Note that the first 3 decimals are identical.

The spelling of 1341511840 in words is "one billion, three hundred forty-one million, five hundred eleven thousand, eight hundred forty".