1533003140 has 12 divisors (see below), whose sum is σ = 3219306636. Its totient is φ = 613201248.

The previous prime is 1533003127. The next prime is 1533003167. The reversal of 1533003140 is 413003351.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 843205444 + 689797696 = 29038^2 + 26264^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 76650157 = 1533003140 / (1 + 5 + 3 + 3 + 0 + 0 + 3 + 1 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38325059 + ... + 38325098.

It is an arithmetic number, because the mean of its divisors is an integer number (268275553).

Almost surely, 2^1533003140 is an apocalyptic number.

1533003140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1533003140 is an abundant number, since it is smaller than the sum of its proper divisors (1686303496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1533003140 is a wasteful number, since it uses less digits than its factorization.

1533003140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76650166 (or 76650164 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1533003140 is about 39153.5839994246. The cubic root of 1533003140 is about 1153.0487822705.

Adding to 1533003140 its reverse (413003351), we get a palindrome (1946006491).

The spelling of 1533003140 in words is "one billion, five hundred thirty-three million, three thousand, one hundred forty".