1381732286 has 8 divisors (see below), whose sum is σ = 2261016504. Its totient is φ = 628060120.

The previous prime is 1381732283. The next prime is 1381732301. The reversal of 1381732286 is 6822371831.

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

It is a super-2 number, since 2×1381732286² = 3818368220349571592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381732283) 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, 31402985 + ... + 31403028.

It is an arithmetic number, because the mean of its divisors is an integer number (282627063).

Almost surely, 2^1381732286 is an apocalyptic number.

1381732286 is a deficient number, since it is larger than the sum of its proper divisors (879284218).

1381732286 is a wasteful number, since it uses less digits than its factorization.

1381732286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62806026.

The product of its digits is 96768, while the sum is 41.

The square root of 1381732286 is about 37171.6597154337. The cubic root of 1381732286 is about 1113.8019362146.

The spelling of 1381732286 in words is "one billion, three hundred eighty-one million, seven hundred thirty-two thousand, two hundred eighty-six".