1140348855 has 32 divisors (see below), whose sum is σ = 1910075904. Its totient is φ = 579852416.

The previous prime is 1140348793. The next prime is 1140348871. The reversal of 1140348855 is 5588430411.

It is a cyclic number.

It is not a de Polignac number, because 1140348855 - 2⁶ = 1140348791 is a prime.

It is a super-2 number, since 2×1140348855² = 2600791022199622050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104152 + ... + 114578.

It is an arithmetic number, because the mean of its divisors is an integer number (59689872).

Almost surely, 2^1140348855 is an apocalyptic number.

1140348855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1140348855 is a deficient number, since it is larger than the sum of its proper divisors (769727049).

1140348855 is a wasteful number, since it uses less digits than its factorization.

1140348855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10775.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 1140348855 is about 33769.0517337991. The cubic root of 1140348855 is about 1044.7504742171.

The spelling of 1140348855 in words is "one billion, one hundred forty million, three hundred forty-eight thousand, eight hundred fifty-five".