1139795607 has 4 divisors (see below), whose sum is σ = 1519727480. Its totient is φ = 759863736.

The previous prime is 1139795599. The next prime is 1139795609. The reversal of 1139795607 is 7065979311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1139795607 - 2³ = 1139795599 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 (1139795609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189965932 + ... + 189965937.

It is an arithmetic number, because the mean of its divisors is an integer number (379931870).

Almost surely, 2^1139795607 is an apocalyptic number.

1139795607 is a deficient number, since it is larger than the sum of its proper divisors (379931873).

1139795607 is an equidigital number, since it uses as much as digits as its factorization.

1139795607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379931872.

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 1139795607 is about 33760.8590974815. The cubic root of 1139795607 is about 1044.5814909545.

The spelling of 1139795607 in words is "one billion, one hundred thirty-nine million, seven hundred ninety-five thousand, six hundred seven".