1140131055 has 16 divisors (see below), whose sum is σ = 2084811264. Its totient is φ = 521202720.

The previous prime is 1140131023. The next prime is 1140131059. The reversal of 1140131055 is 5501310411.

It is a happy number.

It is not a de Polignac number, because 1140131055 - 2⁵ = 1140131023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140131059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5429091 + ... + 5429300.

It is an arithmetic number, because the mean of its divisors is an integer number (130300704).

Almost surely, 2^1140131055 is an apocalyptic number.

1140131055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1140131055 is a deficient number, since it is larger than the sum of its proper divisors (944680209).

1140131055 is a wasteful number, since it uses less digits than its factorization.

1140131055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10858406.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1140131055 is about 33765.8267335482. The cubic root of 1140131055 is about 1044.6839562270.

Adding to 1140131055 its reverse (5501310411), we get a palindrome (6641441466).

The spelling of 1140131055 in words is "one billion, one hundred forty million, one hundred thirty-one thousand, fifty-five".