1590140 has 24 divisors (see below), whose sum is σ = 3418800. Its totient is φ = 621264.

The previous prime is 1590137. The next prime is 1590161. The reversal of 1590140 is 410951.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36959 + ... + 37001.

It is an arithmetic number, because the mean of its divisors is an integer number (142450).

2^1590140 is an apocalyptic number.

1590140 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 1590140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709400).

1590140 is an abundant number, since it is smaller than the sum of its proper divisors (1828660).

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

1590140 is an frugal number, since it uses more digits than its factorization.

1590140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1590140 is about 1261.0075336809. The cubic root of 1590140 is about 116.7199575136.

1590140 divided by its sum of digits (20) gives a cube (79507 = 43³).

The spelling of 1590140 in words is "one million, five hundred ninety thousand, one hundred forty".