11139454 has 32 divisors (see below), whose sum is σ = 18561312. Its totient is φ = 4992000.

The previous prime is 11139431. The next prime is 11139463. The reversal of 11139454 is 45493111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84969 + ... + 85099.

It is an arithmetic number, because the mean of its divisors is an integer number (580041).

Almost surely, 2^11139454 is an apocalyptic number.

11139454 is a deficient number, since it is larger than the sum of its proper divisors (7421858).

11139454 is a wasteful number, since it uses less digits than its factorization.

11139454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 2160, while the sum is 28.

The square root of 11139454 is about 3337.5820589163. The cubic root of 11139454 is about 223.3338922290. Note that the first 3 decimals are identical.

The spelling of 11139454 in words is "eleven million, one hundred thirty-nine thousand, four hundred fifty-four".