1101342140 has 12 divisors (see below), whose sum is σ = 2312818536. Its totient is φ = 440536848.

The previous prime is 1101342107. The next prime is 1101342149. The reversal of 1101342140 is 412431011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101342149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27533534 + ... + 27533573.

It is an arithmetic number, because the mean of its divisors is an integer number (192734878).

Almost surely, 2^1101342140 is an apocalyptic number.

1101342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101342140 is an abundant number, since it is smaller than the sum of its proper divisors (1211476396).

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

1101342140 is a wasteful number, since it uses less digits than its factorization.

1101342140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55067116 (or 55067114 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1101342140 is about 33186.4752572490. The cubic root of 1101342140 is about 1032.6997825275.

Adding to 1101342140 its reverse (412431011), we get a palindrome (1513773151).

The spelling of 1101342140 in words is "one billion, one hundred one million, three hundred forty-two thousand, one hundred forty".