1503135441 has 8 divisors (see below), whose sum is σ = 2226867360. Its totient is φ = 1002090276.

The previous prime is 1503135421. The next prime is 1503135457. The reversal of 1503135441 is 1445313051.

It is a happy number.

It is not a de Polignac number, because 1503135441 - 2¹⁸ = 1502873297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 55671683 = 1503135441 / (1 + 5 + 0 + 3 + 1 + 3 + 5 + 4 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (1503135421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27835815 + ... + 27835868.

It is an arithmetic number, because the mean of its divisors is an integer number (278358420).

Almost surely, 2^1503135441 is an apocalyptic number.

It is an amenable number.

1503135441 is a deficient number, since it is larger than the sum of its proper divisors (723731919).

1503135441 is an equidigital number, since it uses as much as digits as its factorization.

1503135441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55671692 (or 55671686 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1503135441 is about 38770.2907004835. The cubic root of 1503135441 is about 1145.5112838984.

Adding to 1503135441 its reverse (1445313051), we get a palindrome (2948448492).

The spelling of 1503135441 in words is "one billion, five hundred three million, one hundred thirty-five thousand, four hundred forty-one".