1139546 has 4 divisors (see below), whose sum is σ = 1709322. Its totient is φ = 569772.

The previous prime is 1139539. The next prime is 1139549. The reversal of 1139546 is 6459311.

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

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 60025 = 1039^2 + 245^2 .

It is a super-2 number, since 2×1139546² = 2597130172232, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1139549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284885 + ... + 284888.

2^1139546 is an apocalyptic number.

1139546 is a deficient number, since it is larger than the sum of its proper divisors (569776).

1139546 is an equidigital number, since it uses as much as digits as its factorization.

1139546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569775.

The product of its digits is 3240, while the sum is 29.

The square root of 1139546 is about 1067.4951990524. The cubic root of 1139546 is about 104.4505233455.

The spelling of 1139546 in words is "one million, one hundred thirty-nine thousand, five hundred forty-six".