1403135044 has 12 divisors (see below), whose sum is σ = 2489123644. Its totient is φ = 691956864.

The previous prime is 1403135023. The next prime is 1403135081. The reversal of 1403135044 is 4405313041.

It can be written as a sum of positive squares in 2 ways, for example, as 360620100 + 1042514944 = 18990^2 + 32288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2402337 + ... + 2402920.

Almost surely, 2^1403135044 is an apocalyptic number.

It is an amenable number.

1403135044 is a deficient number, since it is larger than the sum of its proper divisors (1085988600).

1403135044 is a wasteful number, since it uses less digits than its factorization.

1403135044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805334 (or 4805332 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1403135044 is about 37458.4442282378. Note that the first 3 decimals coincide. The cubic root of 1403135044 is about 1119.5233526629.

Adding to 1403135044 its reverse (4405313041), we get a palindrome (5808448085).

The spelling of 1403135044 in words is "one billion, four hundred three million, one hundred thirty-five thousand, forty-four".