1463140 has 36 divisors (see below), whose sum is σ = 3576636. Its totient is φ = 501312.

The previous prime is 1463123. The next prime is 1463149. The reversal of 1463140 is 413641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 529984 = 966^2 + 728^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1463149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (99351).

2^1463140 is an apocalyptic number.

1463140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1463140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788318).

1463140 is an abundant number, since it is smaller than the sum of its proper divisors (2113496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1463140 is a wasteful number, since it uses less digits than its factorization.

1463140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1463140 is about 1209.6032407364. The cubic root of 1463140 is about 113.5259891193.

Adding to 1463140 its reverse (413641), we get a palindrome (1876781).

The spelling of 1463140 in words is "one million, four hundred sixty-three thousand, one hundred forty".