1381895752 has 32 divisors (see below), whose sum is σ = 2718878400. Its totient is φ = 657198784.

The previous prime is 1381895743. The next prime is 1381895761. The reversal of 1381895752 is 2575981831.

It is an interprime number because it is at equal distance from previous prime (1381895743) and next prime (1381895761).

It is a junction number, because it is equal to n+sod(n) for n = 1381895696 and 1381895705.

It is an unprimeable number.

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, 11958 + ... + 53914.

It is an arithmetic number, because the mean of its divisors is an integer number (84964950).

Almost surely, 2^1381895752 is an apocalyptic number.

It is an amenable number.

1381895752 is a deficient number, since it is larger than the sum of its proper divisors (1336982648).

1381895752 is a wasteful number, since it uses less digits than its factorization.

1381895752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42165 (or 42161 counting only the distinct ones).

The product of its digits is 604800, while the sum is 49.

The square root of 1381895752 is about 37173.8584491844. The cubic root of 1381895752 is about 1113.8458573054.

The spelling of 1381895752 in words is "one billion, three hundred eighty-one million, eight hundred ninety-five thousand, seven hundred fifty-two".