1040238146 has 4 divisors (see below), whose sum is σ = 1560357222. Its totient is φ = 520119072.

The previous prime is 1040238137. The next prime is 1040238167. The reversal of 1040238146 is 6418320401.

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., 1035874225 + 4363921 = 32185^2 + 2089^2 .

It is an unprimeable number.

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, 260059535 + ... + 260059538.

Almost surely, 2^1040238146 is an apocalyptic number.

1040238146 is a deficient number, since it is larger than the sum of its proper divisors (520119076).

1040238146 is an equidigital number, since it uses as much as digits as its factorization.

1040238146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520119075.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1040238146 is about 32252.7230788348. The cubic root of 1040238146 is about 1013.2367312064.

Adding to 1040238146 its reverse (6418320401), we get a palindrome (7458558547).

The spelling of 1040238146 in words is "one billion, forty million, two hundred thirty-eight thousand, one hundred forty-six".