1403306540 has 12 divisors (see below), whose sum is σ = 2946943776. Its totient is φ = 561322608.

The previous prime is 1403306539. The next prime is 1403306603. The reversal of 1403306540 is 456033041.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35082644 + ... + 35082683.

It is an arithmetic number, because the mean of its divisors is an integer number (245578648).

Almost surely, 2^1403306540 is an apocalyptic number.

1403306540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403306540 is an abundant number, since it is smaller than the sum of its proper divisors (1543637236).

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

1403306540 is a wasteful number, since it uses less digits than its factorization.

1403306540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70165336 (or 70165334 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1403306540 is about 37460.7333083590. The cubic root of 1403306540 is about 1119.5689614720.

Adding to 1403306540 its reverse (456033041), we get a palindrome (1859339581).

The spelling of 1403306540 in words is "one billion, four hundred three million, three hundred six thousand, five hundred forty".