1341778132 has 12 divisors (see below), whose sum is σ = 2371361076. Its totient is φ = 664246400.

The previous prime is 1341778073. The next prime is 1341778169. The reversal of 1341778132 is 2318771431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 903964356 + 437813776 = 30066^2 + 20924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1341778091 and 1341778100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660213 + ... + 1661020.

It is an arithmetic number, because the mean of its divisors is an integer number (197613423).

Almost surely, 2^1341778132 is an apocalyptic number.

It is an amenable number.

1341778132 is a deficient number, since it is larger than the sum of its proper divisors (1029582944).

1341778132 is a wasteful number, since it uses less digits than its factorization.

1341778132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321338 (or 3321336 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 1341778132 is about 36630.2898159433. The cubic root of 1341778132 is about 1102.9612036460.

The spelling of 1341778132 in words is "one billion, three hundred forty-one million, seven hundred seventy-eight thousand, one hundred thirty-two".