1013738185 has 8 divisors (see below), whose sum is σ = 1216658376. Its totient is φ = 810875520.

The previous prime is 1013738183. The next prime is 1013738221. The reversal of 1013738185 is 5818373101.

It can be written as a sum of positive squares in 4 ways, for example, as 80496784 + 933241401 = 8972^2 + 30549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013738185 - 2¹ = 1013738183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013738183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53695 + ... + 70075.

It is an arithmetic number, because the mean of its divisors is an integer number (152082297).

Almost surely, 2^1013738185 is an apocalyptic number.

It is an amenable number.

1013738185 is a deficient number, since it is larger than the sum of its proper divisors (202920191).

1013738185 is a wasteful number, since it uses less digits than its factorization.

1013738185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28763.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1013738185 is about 31839.2554090073. The cubic root of 1013738185 is about 1004.5585827465.

The spelling of 1013738185 in words is "one billion, thirteen million, seven hundred thirty-eight thousand, one hundred eighty-five".