1139054671 has 2 divisors, whose sum is σ = 1139054672. Its totient is φ = 1139054670.

The previous prime is 1139054611. The next prime is 1139054701. The reversal of 1139054671 is 1764509311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139054671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1139054671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139054611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569527335 + 569527336.

It is an arithmetic number, because the mean of its divisors is an integer number (569527336).

Almost surely, 2^1139054671 is an apocalyptic number.

1139054671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139054671 is an equidigital number, since it uses as much as digits as its factorization.

1139054671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1139054671 is about 33749.8840146155. The cubic root of 1139054671 is about 1044.3550948661.

The spelling of 1139054671 in words is "one billion, one hundred thirty-nine million, fifty-four thousand, six hundred seventy-one".