1427441146 has 4 divisors (see below), whose sum is σ = 2141161722. Its totient is φ = 713720572.

The previous prime is 1427441143. The next prime is 1427441207. The reversal of 1427441146 is 6411447241.

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., 1418350921 + 9090225 = 37661^2 + 3015^2 .

It is not an unprimeable number, because it can be changed into a prime (1427441143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356860285 + ... + 356860288.

Almost surely, 2^1427441146 is an apocalyptic number.

1427441146 is a deficient number, since it is larger than the sum of its proper divisors (713720576).

1427441146 is an equidigital number, since it uses as much as digits as its factorization.

1427441146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713720575.

The product of its digits is 21504, while the sum is 34.

The square root of 1427441146 is about 37781.4921092325. The cubic root of 1427441146 is about 1125.9507737914.

Adding to 1427441146 its reverse (6411447241), we get a palindrome (7838888387).

The spelling of 1427441146 in words is "one billion, four hundred twenty-seven million, four hundred forty-one thousand, one hundred forty-six".