11465139 has 8 divisors (see below), whose sum is σ = 17470720. Its totient is φ = 6551496.

The previous prime is 11465131. The next prime is 11465143. The reversal of 11465139 is 93156411.

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

It is not a de Polignac number, because 11465139 - 2³ = 11465131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11465131) 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, 272959 + ... + 273000.

It is an arithmetic number, because the mean of its divisors is an integer number (2183840).

Almost surely, 2^11465139 is an apocalyptic number.

11465139 is a deficient number, since it is larger than the sum of its proper divisors (6005581).

11465139 is an equidigital number, since it uses as much as digits as its factorization.

11465139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545969.

The product of its digits is 3240, while the sum is 30.

The square root of 11465139 is about 3386.0211162956. The cubic root of 11465139 is about 225.4895611872.

The spelling of 11465139 in words is "eleven million, four hundred sixty-five thousand, one hundred thirty-nine".