1358134609 has 8 divisors (see below), whose sum is σ = 1463931560. Its totient is φ = 1252526976.

The previous prime is 1358134541. The next prime is 1358134621. The reversal of 1358134609 is 9064318531.

It can be written as a sum of positive squares in 4 ways, for example, as 16524225 + 1341610384 = 4065^2 + 36628^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1358134609 - 2¹³ = 1358126417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1358134639) 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, 32244 + ... + 61285.

It is an arithmetic number, because the mean of its divisors is an integer number (182991445).

Almost surely, 2^1358134609 is an apocalyptic number.

It is an amenable number.

1358134609 is a deficient number, since it is larger than the sum of its proper divisors (105796951).

1358134609 is a wasteful number, since it uses less digits than its factorization.

1358134609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94659.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1358134609 is about 36852.8778930493. The cubic root of 1358134609 is about 1107.4248691533.

The spelling of 1358134609 in words is "one billion, three hundred fifty-eight million, one hundred thirty-four thousand, six hundred nine".