1381313832 has 64 divisors (see below), whose sum is σ = 3712435200. Its totient is φ = 426916800.

The previous prime is 1381313827. The next prime is 1381313833. The reversal of 1381313832 is 2383131831.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1381313793 and 1381313802.

It is not an unprimeable number, because it can be changed into a prime (1381313833) 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 in 15 ways as a sum of consecutive naturals, for example, 10794 + ... + 53657.

It is an arithmetic number, because the mean of its divisors is an integer number (58006800).

Almost surely, 2^1381313832 is an apocalyptic number.

1381313832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1381313832 is an abundant number, since it is smaller than the sum of its proper divisors (2331121368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381313832 is a wasteful number, since it uses less digits than its factorization.

1381313832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64526 (or 64522 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1381313832 is about 37166.0306193707. The cubic root of 1381313832 is about 1113.6894875302.

The spelling of 1381313832 in words is "one billion, three hundred eighty-one million, three hundred thirteen thousand, eight hundred thirty-two".