1415213838 has 12 divisors (see below), whose sum is σ = 3066296688. Its totient is φ = 471737940.

The previous prime is 1415213837. The next prime is 1415213861. The reversal of 1415213838 is 8383125141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415213837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39311478 + ... + 39311513.

It is an arithmetic number, because the mean of its divisors is an integer number (255524724).

Almost surely, 2^1415213838 is an apocalyptic number.

1415213838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1415213838 is an abundant number, since it is smaller than the sum of its proper divisors (1651082850).

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

1415213838 is a wasteful number, since it uses less digits than its factorization.

1415213838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78622999 (or 78622996 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1415213838 is about 37619.3279844284. The cubic root of 1415213838 is about 1122.7266257042.

Adding to 1415213838 its reverse (8383125141), we get a palindrome (9798338979).

The spelling of 1415213838 in words is "one billion, four hundred fifteen million, two hundred thirteen thousand, eight hundred thirty-eight".