1381747234 has 16 divisors (see below), whose sum is σ = 2407542336. Its totient is φ = 582469200.

The previous prime is 1381747223. The next prime is 1381747247. The reversal of 1381747234 is 4327471831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808132 + ... + 809839.

It is an arithmetic number, because the mean of its divisors is an integer number (150471396).

Almost surely, 2^1381747234 is an apocalyptic number.

1381747234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1381747234 is a deficient number, since it is larger than the sum of its proper divisors (1025795102).

1381747234 is a wasteful number, since it uses less digits than its factorization.

1381747234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618041.

The product of its digits is 112896, while the sum is 40.

The square root of 1381747234 is about 37171.8607820486. The cubic root of 1381747234 is about 1113.8059526827.

The spelling of 1381747234 in words is "one billion, three hundred eighty-one million, seven hundred forty-seven thousand, two hundred thirty-four".