1044148138 has 32 divisors (see below), whose sum is σ = 1769822208. Its totient is φ = 457714800.

The previous prime is 1044148117. The next prime is 1044148139. The reversal of 1044148138 is 8318414401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1044148139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206881 + ... + 211867.

It is an arithmetic number, because the mean of its divisors is an integer number (55306944).

Almost surely, 2^1044148138 is an apocalyptic number.

1044148138 is a deficient number, since it is larger than the sum of its proper divisors (725674070).

1044148138 is a wasteful number, since it uses less digits than its factorization.

1044148138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1044148138 is about 32313.2811394943. The cubic root of 1044148138 is about 1014.5046441141.

The spelling of 1044148138 in words is "one billion, forty-four million, one hundred forty-eight thousand, one hundred thirty-eight".