1355683079 has 8 divisors (see below), whose sum is σ = 1427400240. Its totient is φ = 1284002496.

The previous prime is 1355683057. The next prime is 1355683099. The reversal of 1355683079 is 9703865531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355683079 is a prime.

It is a super-4 number, since 4×1355683079⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355683099) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 101177 + ... + 113789.

It is an arithmetic number, because the mean of its divisors is an integer number (178425030).

Almost surely, 2^1355683079 is an apocalyptic number.

1355683079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1355683079 is a deficient number, since it is larger than the sum of its proper divisors (71717161).

1355683079 is a wasteful number, since it uses less digits than its factorization.

1355683079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18289.

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 1355683079 is about 36819.6018310899. The cubic root of 1355683079 is about 1106.7581408255.

The spelling of 1355683079 in words is "one billion, three hundred fifty-five million, six hundred eighty-three thousand, seventy-nine".