1113545639 has 2 divisors, whose sum is σ = 1113545640. Its totient is φ = 1113545638.

The previous prime is 1113545617. The next prime is 1113545651. The reversal of 1113545639 is 9365453111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113545639 - 2⁸ = 1113545383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113545539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556772819 + 556772820.

It is an arithmetic number, because the mean of its divisors is an integer number (556772820).

Almost surely, 2^1113545639 is an apocalyptic number.

1113545639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113545639 is an equidigital number, since it uses as much as digits as its factorization.

1113545639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 1113545639 is about 33369.8312701758. The cubic root of 1113545639 is about 1036.5000812520.

The spelling of 1113545639 in words is "one billion, one hundred thirteen million, five hundred forty-five thousand, six hundred thirty-nine".