1139054207 has 8 divisors (see below), whose sum is σ = 1157068800. Its totient is φ = 1121094520.

The previous prime is 1139054143. The next prime is 1139054209. The reversal of 1139054207 is 7024509311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1139054207 - 2⁶ = 1139054143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139054209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29138 + ... + 55920.

It is an arithmetic number, because the mean of its divisors is an integer number (144633600).

Almost surely, 2^1139054207 is an apocalyptic number.

1139054207 is a deficient number, since it is larger than the sum of its proper divisors (18014593).

1139054207 is an equidigital number, since it uses as much as digits as its factorization.

1139054207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27453.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1139054207 is about 33749.8771405171. The cubic root of 1139054207 is about 1044.3549530582.

The spelling of 1139054207 in words is "one billion, one hundred thirty-nine million, fifty-four thousand, two hundred seven".