1366955148 has 54 divisors (see below), whose sum is σ = 3457998012. Its totient is φ = 420089280.

The previous prime is 1366955147. The next prime is 1366955153. The reversal of 1366955148 is 8415596631.

It is a junction number, because it is equal to n+sod(n) for n = 1366955097 and 1366955106.

It is not an unprimeable number, because it can be changed into a prime (1366955143) 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 17 ways as a sum of consecutive naturals, for example, 1664578 + ... + 1665398.

Almost surely, 2^1366955148 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 1366955148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728999006).

1366955148 is an abundant number, since it is smaller than the sum of its proper divisors (2091042864).

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

1366955148 is an equidigital number, since it uses as much as digits as its factorization.

1366955148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 839 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 1366955148 is about 36972.3565383653. The cubic root of 1366955148 is about 1109.8171243241.

Multiplying 1366955148 by its sum of digits (48), we get a square (65613847104 = 256152²).

The spelling of 1366955148 in words is "one billion, three hundred sixty-six million, nine hundred fifty-five thousand, one hundred forty-eight".