1138654 has 16 divisors (see below), whose sum is σ = 1891440. Its totient is φ = 509760.

The previous prime is 1138649. The next prime is 1138667. The reversal of 1138654 is 4568311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252 + ... + 1960.

It is an arithmetic number, because the mean of its divisors is an integer number (118215).

2^1138654 is an apocalyptic number.

1138654 is a deficient number, since it is larger than the sum of its proper divisors (752786).

1138654 is a wasteful number, since it uses less digits than its factorization.

1138654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

The product of its digits is 2880, while the sum is 28.

The square root of 1138654 is about 1067.0773167864. The cubic root of 1138654 is about 104.4232627267.

The spelling of 1138654 in words is "one million, one hundred thirty-eight thousand, six hundred fifty-four".