1138114257 has 16 divisors (see below), whose sum is σ = 1740197760. Its totient is φ = 648127872.

The previous prime is 1138114247. The next prime is 1138114273. The reversal of 1138114257 is 7524118311.

It is not a de Polignac number, because 1138114257 - 2¹⁰ = 1138113233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138114207) 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, 86332 + ... + 98637.

It is an arithmetic number, because the mean of its divisors is an integer number (108762360).

Almost surely, 2^1138114257 is an apocalyptic number.

It is an amenable number.

1138114257 is a deficient number, since it is larger than the sum of its proper divisors (602083503).

1138114257 is a wasteful number, since it uses less digits than its factorization.

1138114257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185272.

The product of its digits is 6720, while the sum is 33.

The square root of 1138114257 is about 33735.9490306705. The cubic root of 1138114257 is about 1044.0676060138.

The spelling of 1138114257 in words is "one billion, one hundred thirty-eight million, one hundred fourteen thousand, two hundred fifty-seven".