1540103147 has 8 divisors (see below), whose sum is σ = 1684930800. Its totient is φ = 1396078560.

The previous prime is 1540103129. The next prime is 1540103153. The reversal of 1540103147 is 7413010451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540103147 - 2¹⁸ = 1539841003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1540103177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196748 + ... + 204425.

It is an arithmetic number, because the mean of its divisors is an integer number (210616350).

Almost surely, 2^1540103147 is an apocalyptic number.

1540103147 is a deficient number, since it is larger than the sum of its proper divisors (144827653).

1540103147 is a wasteful number, since it uses less digits than its factorization.

1540103147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401533.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1540103147 is about 39244.1479331632. The cubic root of 1540103147 is about 1154.8261320085.

Adding to 1540103147 its reverse (7413010451), we get a palindrome (8953113598).

The spelling of 1540103147 in words is "one billion, five hundred forty million, one hundred three thousand, one hundred forty-seven".