1139368 has 8 divisors (see below), whose sum is σ = 2136330. Its totient is φ = 569680.

The previous prime is 1139353. The next prime is 1139387. The reversal of 1139368 is 8639311.

It can be written as a sum of positive squares in only one way, i.e., 887364 + 252004 = 942^2 + 502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71203 + ... + 71218.

2^1139368 is an apocalyptic number.

It is an amenable number.

1139368 is a deficient number, since it is larger than the sum of its proper divisors (996962).

1139368 is a wasteful number, since it uses less digits than its factorization.

1139368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142427 (or 142423 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 1139368 is about 1067.4118230561. The cubic root of 1139368 is about 104.4450845827.

The spelling of 1139368 in words is "one million, one hundred thirty-nine thousand, three hundred sixty-eight".