1367728547 has 8 divisors (see below), whose sum is σ = 1466879760. Its totient is φ = 1271293920.

The previous prime is 1367728543. The next prime is 1367728559. The reversal of 1367728547 is 7458277631.

It is a happy number.

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 1367728547 - 2² = 1367728543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1367728495 and 1367728504.

It is not an unprimeable number, because it can be changed into a prime (1367728541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678104 + ... + 680117.

It is an arithmetic number, because the mean of its divisors is an integer number (183359970).

Almost surely, 2^1367728547 is an apocalyptic number.

1367728547 is a deficient number, since it is larger than the sum of its proper divisors (99151213).

1367728547 is a wasteful number, since it uses less digits than its factorization.

1367728547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358293.

The product of its digits is 1975680, while the sum is 50.

The square root of 1367728547 is about 36982.8142114685. The cubic root of 1367728547 is about 1110.0263898171.

It can be divided in two parts, 13677 and 28547, that added together give a palindrome (42224).

The spelling of 1367728547 in words is "one billion, three hundred sixty-seven million, seven hundred twenty-eight thousand, five hundred forty-seven".