1381733359 has 4 divisors (see below), whose sum is σ = 1383051600. Its totient is φ = 1380415120.

The previous prime is 1381733321. The next prime is 1381733369. The reversal of 1381733359 is 9533371831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1381733359 - 2⁷ = 1381733231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381733369) by changing a digit.

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, 657547 + ... + 659644.

It is an arithmetic number, because the mean of its divisors is an integer number (345762900).

Almost surely, 2^1381733359 is an apocalyptic number.

1381733359 is a deficient number, since it is larger than the sum of its proper divisors (1318241).

1381733359 is a wasteful number, since it uses less digits than its factorization.

1381733359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318240.

The product of its digits is 204120, while the sum is 43.

The square root of 1381733359 is about 37171.6741484696. The cubic root of 1381733359 is about 1113.8022245264.

The spelling of 1381733359 in words is "one billion, three hundred eighty-one million, seven hundred thirty-three thousand, three hundred fifty-nine".