1341638208 has 112 divisors (see below), whose sum is σ = 4115775360. Its totient is φ = 427756032.

The previous prime is 1341638197. The next prime is 1341638239. The reversal of 1341638208 is 8028361431.

1341638208 is a `hidden beast` number, since 1 + 3 + 416 + 38 + 208 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 22866 + ... + 56622.

Almost surely, 2^1341638208 is an apocalyptic number.

1341638208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341638208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2057887680).

1341638208 is an abundant number, since it is smaller than the sum of its proper divisors (2774137152).

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

1341638208 is a wasteful number, since it uses less digits than its factorization.

1341638208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33801 (or 33785 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1341638208 is about 36628.3798167487. The cubic root of 1341638208 is about 1102.9228624566.

Adding to 1341638208 its reverse (8028361431), we get a palindrome (9369999639).

The spelling of 1341638208 in words is "one billion, three hundred forty-one million, six hundred thirty-eight thousand, two hundred eight".