1354141840 has 40 divisors (see below), whose sum is σ = 3149976960. Its totient is φ = 541382016.

The previous prime is 1354141829. The next prime is 1354141871. The reversal of 1354141840 is 481414531.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242601 + ... + 248119.

It is an arithmetic number, because the mean of its divisors is an integer number (78749424).

Almost surely, 2^1354141840 is an apocalyptic number.

1354141840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354141840 is an abundant number, since it is smaller than the sum of its proper divisors (1795835120).

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

1354141840 is a wasteful number, since it uses less digits than its factorization.

1354141840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8599 (or 8593 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1354141840 is about 36798.6662801792. Note that the first 3 decimals coincide. The cubic root of 1354141840 is about 1106.3385674353.

The spelling of 1354141840 in words is "one billion, three hundred fifty-four million, one hundred forty-one thousand, eight hundred forty".