1341142020 has 36 divisors (see below), whose sum is σ = 4068131340. Its totient is φ = 357637824.

The previous prime is 1341142003. The next prime is 1341142027. The reversal of 1341142020 is 202411431.

It can be written as a sum of positive squares in 2 ways, for example, as 401842116 + 939299904 = 20046^2 + 30648^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1341141984 and 1341142002.

It is not an unprimeable number, because it can be changed into a prime (1341142027) 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 11 ways as a sum of consecutive naturals, for example, 3725215 + ... + 3725574.

Almost surely, 2^1341142020 is an apocalyptic number.

1341142020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341142020 is an abundant number, since it is smaller than the sum of its proper divisors (2726989320).

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

1341142020 is a wasteful number, since it uses less digits than its factorization.

1341142020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450804 (or 7450799 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1341142020 is about 36621.6059178185. The cubic root of 1341142020 is about 1102.7868783129.

Adding to 1341142020 its reverse (202411431), we get a palindrome (1543553451).

The spelling of 1341142020 in words is "one billion, three hundred forty-one million, one hundred forty-two thousand, twenty".