1356349285 has 8 divisors (see below), whose sum is σ = 1683744120. Its totient is φ = 1047662784.

The previous prime is 1356349279. The next prime is 1356349303. The reversal of 1356349285 is 5829436531.

It can be written as a sum of positive squares in 4 ways, for example, as 58476609 + 1297872676 = 7647^2 + 36026^2 .

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 1356349285 - 2³ = 1356349277 is a prime.

It is a super-2 number, since 2×1356349285² = 3679366765840022450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4676922 + ... + 4677211.

It is an arithmetic number, because the mean of its divisors is an integer number (210468015).

Almost surely, 2^1356349285 is an apocalyptic number.

It is an amenable number.

1356349285 is a deficient number, since it is larger than the sum of its proper divisors (327394835).

1356349285 is an equidigital number, since it uses as much as digits as its factorization.

1356349285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354167.

The product of its digits is 777600, while the sum is 46.

The square root of 1356349285 is about 36828.6476129656. The cubic root of 1356349285 is about 1106.9394044703.

The spelling of 1356349285 in words is "one billion, three hundred fifty-six million, three hundred forty-nine thousand, two hundred eighty-five".