1139662 has 4 divisors (see below), whose sum is σ = 1709496. Its totient is φ = 569830.

The previous prime is 1139623. The next prime is 1139669. The reversal of 1139662 is 2669311.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1139662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284914 + ... + 284917.

It is an arithmetic number, because the mean of its divisors is an integer number (427374).

2^1139662 is an apocalyptic number.

1139662 is a deficient number, since it is larger than the sum of its proper divisors (569834).

1139662 is an equidigital number, since it uses as much as digits as its factorization.

1139662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569833.

The product of its digits is 1944, while the sum is 28.

The square root of 1139662 is about 1067.5495304669. The cubic root of 1139662 is about 104.4540674030.

The spelling of 1139662 in words is "one million, one hundred thirty-nine thousand, six hundred sixty-two".