1390148 has 12 divisors (see below), whose sum is σ = 2445072. Its totient is φ = 691560.

The previous prime is 1390121. The next prime is 1390157. The reversal of 1390148 is 8410931.

It is a super-2 number, since 2×1390148² = 3865022923808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (203756).

2^1390148 is an apocalyptic number.

It is an amenable number.

1390148 is a deficient number, since it is larger than the sum of its proper divisors (1054924).

1390148 is a wasteful number, since it uses less digits than its factorization.

1390148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1390148 is about 1179.0453765653. The cubic root of 1390148 is about 111.6058637824.

The spelling of 1390148 in words is "one million, three hundred ninety thousand, one hundred forty-eight".