1540014 has 32 divisors (see below), whose sum is σ = 3618816. Its totient is φ = 427680.

The previous prime is 1540009. The next prime is 1540027. The reversal of 1540014 is 4100451.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1539975 and 1540002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059 + ... + 2049.

It is an arithmetic number, because the mean of its divisors is an integer number (113088).

2^1540014 is an apocalyptic number.

1540014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1540014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809408).

1540014 is an abundant number, since it is smaller than the sum of its proper divisors (2078802).

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

1540014 is a wasteful number, since it uses less digits than its factorization.

1540014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1540014 is about 1240.9730053470. The cubic root of 1540014 is about 115.4803849676.

Adding to 1540014 its reverse (4100451), we get a palindrome (5640465).

The spelling of 1540014 in words is "one million, five hundred forty thousand, fourteen".