1413728538 has 16 divisors (see below), whose sum is σ = 2827914816. Its totient is φ = 471166560.

The previous prime is 1413728531. The next prime is 1413728543. The reversal of 1413728538 is 8358273141.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1413728538.

It is not an unprimeable number, because it can be changed into a prime (1413728531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31323 + ... + 61713.

It is an arithmetic number, because the mean of its divisors is an integer number (176744676).

Almost surely, 2^1413728538 is an apocalyptic number.

1413728538 is an abundant number, since it is smaller than the sum of its proper divisors (1414186278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1413728538 is a wasteful number, since it uses less digits than its factorization.

1413728538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38149.

The product of its digits is 161280, while the sum is 42.

The square root of 1413728538 is about 37599.5816200127. The cubic root of 1413728538 is about 1122.3337122700. Note that the first 3 decimals are identical.

The spelling of 1413728538 in words is "one billion, four hundred thirteen million, seven hundred twenty-eight thousand, five hundred thirty-eight".