1361373988 has 24 divisors (see below), whose sum is σ = 2620259712. Its totient is φ = 614956704.

The previous prime is 1361373983. The next prime is 1361373989. The reversal of 1361373988 is 8893731631.

It is not an unprimeable number, because it can be changed into a prime (1361373983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276070 + ... + 280957.

It is an arithmetic number, because the mean of its divisors is an integer number (109177488).

Almost surely, 2^1361373988 is an apocalyptic number.

It is an amenable number.

1361373988 is a deficient number, since it is larger than the sum of its proper divisors (1258885724).

1361373988 is a wasteful number, since it uses less digits than its factorization.

1361373988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557091 (or 557089 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 1361373988 is about 36896.8018668285. The cubic root of 1361373988 is about 1108.3046347906.

The spelling of 1361373988 in words is "one billion, three hundred sixty-one million, three hundred seventy-three thousand, nine hundred eighty-eight".