1138157567 has 2 divisors, whose sum is σ = 1138157568. Its totient is φ = 1138157566.

The previous prime is 1138157557. The next prime is 1138157597. The reversal of 1138157567 is 7657518311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1138157567 - 2¹⁶ = 1138092031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138157557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569078783 + 569078784.

It is an arithmetic number, because the mean of its divisors is an integer number (569078784).

Almost surely, 2^1138157567 is an apocalyptic number.

1138157567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138157567 is an equidigital number, since it uses as much as digits as its factorization.

1138157567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 44.

The square root of 1138157567 is about 33736.5909214313. The cubic root of 1138157567 is about 1044.0808495565.

The spelling of 1138157567 in words is "one billion, one hundred thirty-eight million, one hundred fifty-seven thousand, five hundred sixty-seven".