1100705138 has 32 divisors (see below), whose sum is σ = 1803607680. Its totient is φ = 500774400.

The previous prime is 1100705107. The next prime is 1100705141. The reversal of 1100705138 is 8315070011.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544706 + ... + 546722.

It is an arithmetic number, because the mean of its divisors is an integer number (56362740).

Almost surely, 2^1100705138 is an apocalyptic number.

1100705138 is a deficient number, since it is larger than the sum of its proper divisors (702902542).

1100705138 is a wasteful number, since it uses less digits than its factorization.

1100705138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 1100705138 is about 33176.8765558182. The cubic root of 1100705138 is about 1032.5006440791.

Adding to 1100705138 its reverse (8315070011), we get a palindrome (9415775149).

The spelling of 1100705138 in words is "one billion, one hundred million, seven hundred five thousand, one hundred thirty-eight".