1361196928 has 128 divisors (see below), whose sum is σ = 3365853120. Its totient is φ = 533938176.

The previous prime is 1361196923. The next prime is 1361196973. The reversal of 1361196928 is 8296911631.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361196923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595350 + ... + 1596202.

Almost surely, 2^1361196928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361196928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682926560).

1361196928 is an abundant number, since it is smaller than the sum of its proper divisors (2004656192).

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

1361196928 is a wasteful number, since it uses less digits than its factorization.

1361196928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1012 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The square root of 1361196928 is about 36894.4023938592. The cubic root of 1361196928 is about 1108.2565840888.

The spelling of 1361196928 in words is "one billion, three hundred sixty-one million, one hundred ninety-six thousand, nine hundred twenty-eight".