1135238403 has 48 divisors (see below), whose sum is σ = 1708458720. Its totient is φ = 669606912.

The previous prime is 1135238389. The next prime is 1135238407. The reversal of 1135238403 is 3048325311.

It is not a de Polignac number, because 1135238403 - 2⁵ = 1135238371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135238407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1368993 + ... + 1369821.

It is an arithmetic number, because the mean of its divisors is an integer number (35592890).

Almost surely, 2^1135238403 is an apocalyptic number.

1135238403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1135238403 is a deficient number, since it is larger than the sum of its proper divisors (573220317).

1135238403 is a wasteful number, since it uses less digits than its factorization.

1135238403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1135238403 is about 33693.2990815681. The cubic root of 1135238403 is about 1043.1874604643.

The spelling of 1135238403 in words is "one billion, one hundred thirty-five million, two hundred thirty-eight thousand, four hundred three".