1139141426 has 4 divisors (see below), whose sum is σ = 1708712142. Its totient is φ = 569570712.

The previous prime is 1139141413. The next prime is 1139141453. The reversal of 1139141426 is 6241419311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6241419311 = 23 ⋅271366057.

It can be written as a sum of positive squares in only one way, i.e., 958212025 + 180929401 = 30955^2 + 13451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1139141392 and 1139141401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284785355 + ... + 284785358.

Almost surely, 2^1139141426 is an apocalyptic number.

1139141426 is a deficient number, since it is larger than the sum of its proper divisors (569570716).

1139141426 is an equidigital number, since it uses as much as digits as its factorization.

1139141426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569570715.

The product of its digits is 5184, while the sum is 32.

The square root of 1139141426 is about 33751.1692538199. The cubic root of 1139141426 is about 1044.3816082924.

The spelling of 1139141426 in words is "one billion, one hundred thirty-nine million, one hundred forty-one thousand, four hundred twenty-six".