1540616103 has 12 divisors (see below), whose sum is σ = 2396514120. Its totient is φ = 948071376.

The previous prime is 1540616081. The next prime is 1540616111. The reversal of 1540616103 is 3016160451.

1540616103 is a `hidden beast` number, since 1 + 5 + 40 + 6 + 1 + 610 + 3 = 666.

It is not a de Polignac number, because 1540616103 - 2¹⁰ = 1540615079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540616173) 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, 6583713 + ... + 6583946.

It is an arithmetic number, because the mean of its divisors is an integer number (199709510).

Almost surely, 2^1540616103 is an apocalyptic number.

1540616103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1540616103 is a deficient number, since it is larger than the sum of its proper divisors (855898017).

1540616103 is a wasteful number, since it uses less digits than its factorization.

1540616103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13167678 (or 13167675 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1540616103 is about 39250.6828348247. The cubic root of 1540616103 is about 1154.9543288850.

Adding to 1540616103 its reverse (3016160451), we get a palindrome (4556776554).

The spelling of 1540616103 in words is "one billion, five hundred forty million, six hundred sixteen thousand, one hundred three".