1355000043 has 8 divisors (see below), whose sum is σ = 1806997456. Its totient is φ = 903168000.

The previous prime is 1354999993. The next prime is 1355000057. The reversal of 1355000043 is 3400005531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1355000043 - 2⁶ = 1354999979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1354999983 and 1355000019.

It is not an unprimeable number, because it can be changed into a prime (1355000443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20758 + ... + 56043.

It is an arithmetic number, because the mean of its divisors is an integer number (225874682).

Almost surely, 2^1355000043 is an apocalyptic number.

1355000043 is a deficient number, since it is larger than the sum of its proper divisors (451997413).

1355000043 is an equidigital number, since it uses as much as digits as its factorization.

1355000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82685.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1355000043 is about 36810.3252226872. The cubic root of 1355000043 is about 1106.5722363520.

Adding to 1355000043 its reverse (3400005531), we get a palindrome (4755005574).

The spelling of 1355000043 in words is "one billion, three hundred fifty-five million, forty-three", and thus it is an aban number.