1403135040 has 56 divisors (see below), whose sum is σ = 4454956800. Its totient is φ = 374169088.

The previous prime is 1403135023. The next prime is 1403135081. The reversal of 1403135040 is 405313041.

It is a junction number, because it is equal to n+sod(n) for n = 1403134998 and 1403135016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729840 + ... + 731759.

It is an arithmetic number, because the mean of its divisors is an integer number (79552800).

Almost surely, 2^1403135040 is an apocalyptic number.

1403135040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403135040 is an abundant number, since it is smaller than the sum of its proper divisors (3051821760).

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

1403135040 is a wasteful number, since it uses less digits than its factorization.

1403135040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461619 (or 1461609 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1403135040 is about 37458.4441748453. Note that the first 3 decimals coincide. The cubic root of 1403135040 is about 1119.5233515990.

Adding to 1403135040 its reverse (405313041), we get a palindrome (1808448081).

The spelling of 1403135040 in words is "one billion, four hundred three million, one hundred thirty-five thousand, forty".