11378139 has 8 divisors (see below), whose sum is σ = 15191040. Its totient is φ = 7575336.

The previous prime is 11378137. The next prime is 11378177. The reversal of 11378139 is 93187311.

11378139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11378139 - 2¹ = 11378137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11378137) 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, 694 + ... + 4820.

It is an arithmetic number, because the mean of its divisors is an integer number (1898880).

Almost surely, 2^11378139 is an apocalyptic number.

11378139 is a deficient number, since it is larger than the sum of its proper divisors (3812901).

11378139 is an equidigital number, since it uses as much as digits as its factorization.

11378139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049.

The product of its digits is 4536, while the sum is 33.

The square root of 11378139 is about 3373.1497150290. The cubic root of 11378139 is about 224.9177575966.

The spelling of 11378139 in words is "eleven million, three hundred seventy-eight thousand, one hundred thirty-nine".