1336142420 has 12 divisors (see below), whose sum is σ = 2805899124. Its totient is φ = 534456960.

The previous prime is 1336142417. The next prime is 1336142443. The reversal of 1336142420 is 242416331.

It can be written as a sum of positive squares in 2 ways, for example, as 432057796 + 904084624 = 20786^2 + 30068^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1336142420.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 33403541 + ... + 33403580.

It is an arithmetic number, because the mean of its divisors is an integer number (233824927).

Almost surely, 2^1336142420 is an apocalyptic number.

1336142420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1336142420 is an abundant number, since it is smaller than the sum of its proper divisors (1469756704).

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

1336142420 is a wasteful number, since it uses less digits than its factorization.

1336142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66807130 (or 66807128 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1336142420 is about 36553.2819319962. The cubic root of 1336142420 is about 1101.4148240959.

Adding to 1336142420 its reverse (242416331), we get a palindrome (1578558751).

The spelling of 1336142420 in words is "one billion, three hundred thirty-six million, one hundred forty-two thousand, four hundred twenty".