1134640403 has 4 divisors (see below), whose sum is σ = 1221920448. Its totient is φ = 1047360360.

The previous prime is 1134640391. The next prime is 1134640411. The reversal of 1134640403 is 3040464311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1134640403 - 2⁸ = 1134640147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1134640103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43640003 + ... + 43640028.

It is an arithmetic number, because the mean of its divisors is an integer number (305480112).

Almost surely, 2^1134640403 is an apocalyptic number.

1134640403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1134640403 is a deficient number, since it is larger than the sum of its proper divisors (87280045).

1134640403 is an equidigital number, since it uses as much as digits as its factorization.

1134640403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87280044.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1134640403 is about 33684.4237445143. The cubic root of 1134640403 is about 1043.0042579265.

The spelling of 1134640403 in words is "one billion, one hundred thirty-four million, six hundred forty thousand, four hundred three".