1101343140 has 36 divisors (see below), whose sum is σ = 3340741404. Its totient is φ = 293691456.

The previous prime is 1101343129. The next prime is 1101343153. The reversal of 1101343140 is 413431011.

It can be written as a sum of positive squares in 2 ways, for example, as 531948096 + 569395044 = 23064^2 + 23862^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3059107 + ... + 3059466.

Almost surely, 2^1101343140 is an apocalyptic number.

1101343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101343140 is an abundant number, since it is smaller than the sum of its proper divisors (2239398264).

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

1101343140 is a wasteful number, since it uses less digits than its factorization.

1101343140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118588 (or 6118583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1101343140 is about 33186.4903236242. The cubic root of 1101343140 is about 1032.7000950854.

Adding to 1101343140 its reverse (413431011), we get a palindrome (1514774151).

The spelling of 1101343140 in words is "one billion, one hundred one million, three hundred forty-three thousand, one hundred forty".