1356056747 has 4 divisors (see below), whose sum is σ = 1415015760. Its totient is φ = 1297097736.

The previous prime is 1356056719. The next prime is 1356056753. The reversal of 1356056747 is 7476506531.

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

It is a cyclic number.

It is not a de Polignac number, because 1356056747 - 2²⁶ = 1288947883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1356056698 and 1356056707.

It is not an unprimeable number, because it can be changed into a prime (1356056347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29479472 + ... + 29479517.

It is an arithmetic number, because the mean of its divisors is an integer number (353753940).

Almost surely, 2^1356056747 is an apocalyptic number.

1356056747 is a deficient number, since it is larger than the sum of its proper divisors (58959013).

1356056747 is an equidigital number, since it uses as much as digits as its factorization.

1356056747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58959012.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 1356056747 is about 36824.6757894757. The cubic root of 1356056747 is about 1106.8598170251.

It can be divided in two parts, 13560 and 56747, that added together give a palindrome (70307).

The spelling of 1356056747 in words is "one billion, three hundred fifty-six million, fifty-six thousand, seven hundred forty-seven".