1139478067 has 32 divisors (see below), whose sum is σ = 1466286080. Its totient is φ = 861269760.

The previous prime is 1139478059. The next prime is 1139478107. The reversal of 1139478067 is 7608749311.

It is not a de Polignac number, because 1139478067 - 2³ = 1139478059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1139478007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220303 + ... + 225415.

It is an arithmetic number, because the mean of its divisors is an integer number (45821440).

Almost surely, 2^1139478067 is an apocalyptic number.

1139478067 is a deficient number, since it is larger than the sum of its proper divisors (326808013).

1139478067 is a wasteful number, since it uses less digits than its factorization.

1139478067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 1139478067 is about 33756.1559867234. The cubic root of 1139478067 is about 1044.4844772992.

The spelling of 1139478067 in words is "one billion, one hundred thirty-nine million, four hundred seventy-eight thousand, sixty-seven".