1490140 has 12 divisors (see below), whose sum is σ = 3129336. Its totient is φ = 596048.

The previous prime is 1490129. The next prime is 1490161. The reversal of 1490140 is 410941.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37234 + ... + 37273.

It is an arithmetic number, because the mean of its divisors is an integer number (260778).

2^1490140 is an apocalyptic number.

1490140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490140 is an abundant number, since it is smaller than the sum of its proper divisors (1639196).

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

1490140 is a wasteful number, since it uses less digits than its factorization.

1490140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74516 (or 74514 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1490140 is about 1220.7129064608. The cubic root of 1490140 is about 114.2200530563.

It can be divided in two parts, 14901 and 40, that added together give a palindrome (14941).

The spelling of 1490140 in words is "one million, four hundred ninety thousand, one hundred forty".