1378148 has 12 divisors (see below), whose sum is σ = 2433900. Its totient is φ = 682752.

The previous prime is 1378147. The next prime is 1378151. The reversal of 1378148 is 8418731.

It can be written as a sum of positive squares in 2 ways, for example, as 73984 + 1304164 = 272^2 + 1142^2 .

It is a super-3 number, since 3×1378148³ = 7852516041151133376, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073 + ... + 1976.

It is an arithmetic number, because the mean of its divisors is an integer number (202825).

2^1378148 is an apocalyptic number.

It is an amenable number.

1378148 is a deficient number, since it is larger than the sum of its proper divisors (1055752).

1378148 is a wasteful number, since it uses less digits than its factorization.

1378148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166 (or 3164 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 1378148 is about 1173.9454842538. The cubic root of 1378148 is about 111.2838015372.

The spelling of 1378148 in words is "one million, three hundred seventy-eight thousand, one hundred forty-eight".