1139064931 has 2 divisors, whose sum is σ = 1139064932. Its totient is φ = 1139064930.

The previous prime is 1139064907. The next prime is 1139064937. The reversal of 1139064931 is 1394609311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139064931 - 2⁷ = 1139064803 is a prime.

It is a super-2 number, since 2×1139064931² = 2594937834068069522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1139064937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569532465 + 569532466.

It is an arithmetic number, because the mean of its divisors is an integer number (569532466).

Almost surely, 2^1139064931 is an apocalyptic number.

1139064931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139064931 is an equidigital number, since it uses as much as digits as its factorization.

1139064931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1139064931 is about 33750.0360147956. The cubic root of 1139064931 is about 1044.3582305222.

The spelling of 1139064931 in words is "one billion, one hundred thirty-nine million, sixty-four thousand, nine hundred thirty-one".