1386509234 has 12 divisors (see below), whose sum is σ = 2286021822. Its totient is φ = 630231360.

The previous prime is 1386509197. The next prime is 1386509269. The reversal of 1386509234 is 4329056831.

It can be written as a sum of positive squares in only one way, i.e., 1386445225 + 64009 = 37235^2 + 253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1386509191 and 1386509200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2864447 + ... + 2864930.

Almost surely, 2^1386509234 is an apocalyptic number.

1386509234 is a deficient number, since it is larger than the sum of its proper divisors (899512588).

1386509234 is a wasteful number, since it uses less digits than its factorization.

1386509234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729401 (or 5729390 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 1386509234 is about 37235.8595174061. The cubic root of 1386509234 is about 1115.0840114462.

The spelling of 1386509234 in words is "one billion, three hundred eighty-six million, five hundred nine thousand, two hundred thirty-four".