1381358332 has 12 divisors (see below), whose sum is σ = 2422962976. Its totient is φ = 689083200.

The previous prime is 1381358317. The next prime is 1381358339. The reversal of 1381358332 is 2338531831.

It is a junction number, because it is equal to n+sod(n) for n = 1381358291 and 1381358300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381358339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397044 + ... + 400507.

Almost surely, 2^1381358332 is an apocalyptic number.

It is an amenable number.

1381358332 is a deficient number, since it is larger than the sum of its proper divisors (1041604644).

1381358332 is a wasteful number, since it uses less digits than its factorization.

1381358332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797988 (or 797986 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 1381358332 is about 37166.6292795029. The cubic root of 1381358332 is about 1113.7014468327.

The spelling of 1381358332 in words is "one billion, three hundred eighty-one million, three hundred fifty-eight thousand, three hundred thirty-two".