1138176517 has 2 divisors, whose sum is σ = 1138176518. Its totient is φ = 1138176516.

The previous prime is 1138176509. The next prime is 1138176521. The reversal of 1138176517 is 7156718311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1019780356 + 118396161 = 31934^2 + 10881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138176517 - 2³ = 1138176509 is a prime.

It is a super-3 number, since 3×1138176517³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1138176517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138176527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569088258 + 569088259.

It is an arithmetic number, because the mean of its divisors is an integer number (569088259).

Almost surely, 2^1138176517 is an apocalyptic number.

It is an amenable number.

1138176517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138176517 is an equidigital number, since it uses as much as digits as its factorization.

1138176517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 40.

The square root of 1138176517 is about 33736.8717725873. The cubic root of 1138176517 is about 1044.0866440742.

The spelling of 1138176517 in words is "one billion, one hundred thirty-eight million, one hundred seventy-six thousand, five hundred seventeen".