1400146 has 16 divisors (see below), whose sum is σ = 2366208. Its totient is φ = 615600.

The previous prime is 1400143. The next prime is 1400159. The reversal of 1400146 is 6410041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1400141) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (147888).

2^1400146 is an apocalyptic number.

1400146 is a deficient number, since it is larger than the sum of its proper divisors (966062).

1400146 is a wasteful number, since it uses less digits than its factorization.

1400146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1400146 is about 1183.2776512721. The cubic root of 1400146 is about 111.8727828488.

Adding to 1400146 its reverse (6410041), we get a palindrome (7810187).

The spelling of 1400146 in words is "one million, four hundred thousand, one hundred forty-six".