11139507 has 12 divisors (see below), whose sum is σ = 16272360. Its totient is φ = 7342368.

The previous prime is 11139503. The next prime is 11139511. The reversal of 11139507 is 70593111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11139503) and next prime (11139511).

It is not a de Polignac number, because 11139507 - 2² = 11139503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11139503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6153 + ... + 7754.

It is an arithmetic number, because the mean of its divisors is an integer number (1356030).

Almost surely, 2^11139507 is an apocalyptic number.

11139507 is a deficient number, since it is larger than the sum of its proper divisors (5132853).

11139507 is a wasteful number, since it uses less digits than its factorization.

11139507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14002 (or 13999 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 11139507 is about 3337.5899987865. The cubic root of 11139507 is about 223.3342464258.

The spelling of 11139507 in words is "eleven million, one hundred thirty-nine thousand, five hundred seven".