1138117695 has 64 divisors (see below), whose sum is σ = 2152410624. Its totient is φ = 506257920.

The previous prime is 1138117691. The next prime is 1138117697. The reversal of 1138117695 is 5967118311.

It is a Cunningham number, because it is equal to 33736²-1.

It is not a de Polignac number, because 1138117695 - 2² = 1138117691 is a prime.

It is a super-2 number, since 2×1138117695² = 2590623775344226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138117691) 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 63 ways as a sum of consecutive naturals, for example, 369552 + ... + 372618.

It is an arithmetic number, because the mean of its divisors is an integer number (33631416).

Almost surely, 2^1138117695 is an apocalyptic number.

1138117695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1138117695 is a deficient number, since it is larger than the sum of its proper divisors (1014292929).

1138117695 is a wasteful number, since it uses less digits than its factorization.

1138117695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its digits is 45360, while the sum is 42.

The square root of 1138117695 is about 33735.9999851790. Note that the first 4 decimals coincide. The cubic root of 1138117695 is about 1044.0686573144.

The spelling of 1138117695 in words is "one billion, one hundred thirty-eight million, one hundred seventeen thousand, six hundred ninety-five".