1138014191 has 2 divisors, whose sum is σ = 1138014192. Its totient is φ = 1138014190.

The previous prime is 1138014181. The next prime is 1138014209. The reversal of 1138014191 is 1914108311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1138014191 - 2⁶ = 1138014127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138014181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569007095 + 569007096.

It is an arithmetic number, because the mean of its divisors is an integer number (569007096).

Almost surely, 2^1138014191 is an apocalyptic number.

1138014191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138014191 is an equidigital number, since it uses as much as digits as its factorization.

1138014191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1138014191 is about 33734.4659213689. The cubic root of 1138014191 is about 1044.0370060599.

The spelling of 1138014191 in words is "one billion, one hundred thirty-eight million, fourteen thousand, one hundred ninety-one".