1361549028 has 24 divisors (see below), whose sum is σ = 3630797632. Its totient is φ = 389013984.

The previous prime is 1361549027. The next prime is 1361549053. The reversal of 1361549028 is 8209451631.

It is not an unprimeable number, because it can be changed into a prime (1361549027) 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, 8104375 + ... + 8104542.

Almost surely, 2^1361549028 is an apocalyptic number.

It is an amenable number.

1361549028 is an abundant number, since it is smaller than the sum of its proper divisors (2269248604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361549028 is a wasteful number, since it uses less digits than its factorization.

1361549028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16208931 (or 16208929 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1361549028 is about 36899.1738118891. The cubic root of 1361549028 is about 1108.3521332079.

The spelling of 1361549028 in words is "one billion, three hundred sixty-one million, five hundred forty-nine thousand, twenty-eight".