1438156 has 6 divisors (see below), whose sum is σ = 2516780. Its totient is φ = 719076.

The previous prime is 1438123. The next prime is 1438159. The reversal of 1438156 is 6518341.

It is not an unprimeable number, because it can be changed into a prime (1438159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179766 + ... + 179773.

2^1438156 is an apocalyptic number.

It is an amenable number.

1438156 is a deficient number, since it is larger than the sum of its proper divisors (1078624).

1438156 is a wasteful number, since it uses less digits than its factorization.

1438156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359543 (or 359541 counting only the distinct ones).

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

The square root of 1438156 is about 1199.2314205357. The cubic root of 1438156 is about 112.8761009194.

The spelling of 1438156 in words is "one million, four hundred thirty-eight thousand, one hundred fifty-six".