1355432378 has 16 divisors (see below), whose sum is σ = 2068878240. Its totient is φ = 665859216.

The previous prime is 1355432371. The next prime is 1355432417. The reversal of 1355432378 is 8732345531.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1355432371) 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 7 ways as a sum of consecutive naturals, for example, 39125 + ... + 65127.

It is an arithmetic number, because the mean of its divisors is an integer number (129304890).

Almost surely, 2^1355432378 is an apocalyptic number.

1355432378 is a deficient number, since it is larger than the sum of its proper divisors (713445862).

1355432378 is a wasteful number, since it uses less digits than its factorization.

1355432378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26461.

The product of its digits is 302400, while the sum is 41.

The square root of 1355432378 is about 36816.1972235048. The cubic root of 1355432378 is about 1106.6899138477.

The spelling of 1355432378 in words is "one billion, three hundred fifty-five million, four hundred thirty-two thousand, three hundred seventy-eight".