1381693135 has 8 divisors (see below), whose sum is σ = 1668204720. Its totient is φ = 1098572544.

The previous prime is 1381693133. The next prime is 1381693147. The reversal of 1381693135 is 5313961831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1381693135 - 2¹ = 1381693133 is a prime.

It is a super-2 number, since 2×1381693135² = 3818151838612256450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381693133) 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 7 ways as a sum of consecutive naturals, for example, 846850 + ... + 848479.

It is an arithmetic number, because the mean of its divisors is an integer number (208525590).

Almost surely, 2^1381693135 is an apocalyptic number.

1381693135 is a deficient number, since it is larger than the sum of its proper divisors (286511585).

1381693135 is a wasteful number, since it uses less digits than its factorization.

1381693135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695497.

The product of its digits is 58320, while the sum is 40.

The square root of 1381693135 is about 37171.1330873838. The cubic root of 1381693135 is about 1113.7914163592.

The spelling of 1381693135 in words is "one billion, three hundred eighty-one million, six hundred ninety-three thousand, one hundred thirty-five".