1355669530 has 8 divisors (see below), whose sum is σ = 2440205172. Its totient is φ = 542267808.

The previous prime is 1355669521. The next prime is 1355669543. The reversal of 1355669530 is 359665531.

It can be written as a sum of positive squares in 2 ways, for example, as 1115760409 + 239909121 = 33403^2 + 15489^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67783467 + ... + 67783486.

Almost surely, 2^1355669530 is an apocalyptic number.

1355669530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355669530 is a deficient number, since it is larger than the sum of its proper divisors (1084535642).

1355669530 is a wasteful number, since it uses less digits than its factorization.

1355669530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135566960.

The product of its (nonzero) digits is 364500, while the sum is 43.

The square root of 1355669530 is about 36819.4178389610. The cubic root of 1355669530 is about 1106.7544537504.

It can be divided in two parts, 135 and 5669530, that added together give a palindrome (5669665).

The spelling of 1355669530 in words is "one billion, three hundred fifty-five million, six hundred sixty-nine thousand, five hundred thirty".