1366953948 has 48 divisors (see below), whose sum is σ = 3547272960. Its totient is φ = 455224752.

The previous prime is 1366953943. The next prime is 1366953977. The reversal of 1366953948 is 8493596631.

1366953948 is a `hidden beast` number, since 1 + 3 + 6 + 69 + 539 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1366953894 and 1366953903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366953943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122865 + ... + 133527.

It is an arithmetic number, because the mean of its divisors is an integer number (73901520).

Almost surely, 2^1366953948 is an apocalyptic number.

1366953948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1366953948 is an abundant number, since it is smaller than the sum of its proper divisors (2180319012).

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

1366953948 is a wasteful number, since it uses less digits than its factorization.

1366953948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11863 (or 11855 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 1366953948 is about 36972.3403100209. The cubic root of 1366953948 is about 1109.8167995680.

The spelling of 1366953948 in words is "one billion, three hundred sixty-six million, nine hundred fifty-three thousand, nine hundred forty-eight".