1353784772 has 6 divisors (see below), whose sum is σ = 2369123358. Its totient is φ = 676892384.

The previous prime is 1353784771. The next prime is 1353784793. The reversal of 1353784772 is 2774873531.

It can be written as a sum of positive squares in only one way, i.e., 812478016 + 541306756 = 28504^2 + 23266^2 .

It is not an unprimeable number, because it can be changed into a prime (1353784771) 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 as a sum of consecutive naturals, namely, 169223093 + ... + 169223100.

It is an arithmetic number, because the mean of its divisors is an integer number (394853893).

Almost surely, 2^1353784772 is an apocalyptic number.

It is an amenable number.

1353784772 is a deficient number, since it is larger than the sum of its proper divisors (1015338586).

1353784772 is a wasteful number, since it uses less digits than its factorization.

1353784772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338446197 (or 338446195 counting only the distinct ones).

The product of its digits is 987840, while the sum is 47.

The square root of 1353784772 is about 36793.8143170832. The cubic root of 1353784772 is about 1106.2413169565.

The spelling of 1353784772 in words is "one billion, three hundred fifty-three million, seven hundred eighty-four thousand, seven hundred seventy-two".