1357675805 has 4 divisors (see below), whose sum is σ = 1629210972. Its totient is φ = 1086140640.

The previous prime is 1357675789. The next prime is 1357675831. The reversal of 1357675805 is 5085767531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 603734041 + 753941764 = 24571^2 + 27458^2 .

It is not a de Polignac number, because 1357675805 - 2⁴ = 1357675789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1357675805.

It is a congruent number.

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, 135767576 + ... + 135767585.

It is an arithmetic number, because the mean of its divisors is an integer number (407302743).

Almost surely, 2^1357675805 is an apocalyptic number.

It is an amenable number.

1357675805 is a deficient number, since it is larger than the sum of its proper divisors (271535167).

1357675805 is an equidigital number, since it uses as much as digits as its factorization.

1357675805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271535166.

The product of its (nonzero) digits is 882000, while the sum is 47.

The square root of 1357675805 is about 36846.6525616643. The cubic root of 1357675805 is about 1107.3001519661.

The spelling of 1357675805 in words is "one billion, three hundred fifty-seven million, six hundred seventy-five thousand, eight hundred five".