1485164138 has 4 divisors (see below), whose sum is σ = 2227746210. Its totient is φ = 742582068.

The previous prime is 1485164137. The next prime is 1485164147. The reversal of 1485164138 is 8314615841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 915244009 + 569920129 = 30253^2 + 23873^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1485164095 and 1485164104.

It is not an unprimeable number, because it can be changed into a prime (1485164137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371291033 + ... + 371291036.

Almost surely, 2^1485164138 is an apocalyptic number.

1485164138 is a deficient number, since it is larger than the sum of its proper divisors (742582072).

1485164138 is an equidigital number, since it uses as much as digits as its factorization.

1485164138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742582071.

The product of its digits is 92160, while the sum is 41.

The square root of 1485164138 is about 38537.8273648113. The cubic root of 1485164138 is about 1140.9277709567.

Adding to 1485164138 its reverse (8314615841), we get a palindrome (9799779979).

The spelling of 1485164138 in words is "one billion, four hundred eighty-five million, one hundred sixty-four thousand, one hundred thirty-eight".