1103232138 has 16 divisors (see below), whose sum is σ = 2211450336. Its totient is φ = 366913040.

The previous prime is 1103232127. The next prime is 1103232139. The reversal of 1103232138 is 8312323011.

It is not an unprimeable number, because it can be changed into a prime (1103232139) 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, 204873 + ... + 210188.

It is an arithmetic number, because the mean of its divisors is an integer number (138215646).

Almost surely, 2^1103232138 is an apocalyptic number.

1103232138 is an abundant number, since it is smaller than the sum of its proper divisors (1108218198).

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

1103232138 is a wasteful number, since it uses less digits than its factorization.

1103232138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415509.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1103232138 is about 33214.9384765349. The cubic root of 1103232138 is about 1033.2901788661.

Adding to 1103232138 its reverse (8312323011), we get a palindrome (9415555149).

The spelling of 1103232138 in words is "one billion, one hundred three million, two hundred thirty-two thousand, one hundred thirty-eight".