1371138 has 8 divisors (see below), whose sum is σ = 2742288. Its totient is φ = 457044.

The previous prime is 1371137. The next prime is 1371151. The reversal of 1371138 is 8311731.

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

1371138 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1371137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114256 + ... + 114267.

It is an arithmetic number, because the mean of its divisors is an integer number (342786).

2^1371138 is an apocalyptic number.

1371138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1371138 is a wasteful number, since it uses less digits than its factorization.

1371138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228528.

The product of its digits is 504, while the sum is 24.

The square root of 1371138 is about 1170.9560196694. The cubic root of 1371138 is about 111.0947976790.

Adding to 1371138 its reverse (8311731), we get a palindrome (9682869).

It can be divided in two parts, 137 and 1138, that added together give a triangular number (1275 = T₅₀).

The spelling of 1371138 in words is "one million, three hundred seventy-one thousand, one hundred thirty-eight".