1540130 has 16 divisors (see below), whose sum is σ = 2788344. Its totient is φ = 612480.

The previous prime is 1540109. The next prime is 1540141. The reversal of 1540130 is 310451.

It can be written as a sum of positive squares in 4 ways, for example, as 1229881 + 310249 = 1109^2 + 557^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000 + ... + 2660.

2^1540130 is an apocalyptic number.

1540130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540130 is a deficient number, since it is larger than the sum of its proper divisors (1248214).

1540130 is a wasteful number, since it uses less digits than its factorization.

1540130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1540130 is about 1241.0197419864. The cubic root of 1540130 is about 115.4832843759.

Adding to 1540130 its reverse (310451), we get a palindrome (1850581).

The spelling of 1540130 in words is "one million, five hundred forty thousand, one hundred thirty".