1356536943 has 8 divisors (see below), whose sum is σ = 2009684400. Its totient is φ = 904357944.

The previous prime is 1356536917. The next prime is 1356536963. The reversal of 1356536943 is 3496356531.

1356536943 is a `hidden beast` number, since 13 + 565 + 36 + 9 + 43 = 666.

It is not a de Polignac number, because 1356536943 - 2¹³ = 1356528751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356536963) 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, 25121028 + ... + 25121081.

It is an arithmetic number, because the mean of its divisors is an integer number (251210550).

Almost surely, 2^1356536943 is an apocalyptic number.

1356536943 is a deficient number, since it is larger than the sum of its proper divisors (653147457).

1356536943 is an equidigital number, since it uses as much as digits as its factorization.

1356536943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50242118 (or 50242112 counting only the distinct ones).

The product of its digits is 874800, while the sum is 45.

The square root of 1356536943 is about 36831.1952426201. The cubic root of 1356536943 is about 1106.9904523967.

The spelling of 1356536943 in words is "one billion, three hundred fifty-six million, five hundred thirty-six thousand, nine hundred forty-three".