1303640134 has 8 divisors (see below), whose sum is σ = 1969528680. Its totient is φ = 647130576.

The previous prime is 1303640123. The next prime is 1303640137. The reversal of 1303640134 is 4310463031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1303640099 and 1303640108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303640137) by changing a digit.

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, 2344399 + ... + 2344954.

It is an arithmetic number, because the mean of its divisors is an integer number (246191085).

Almost surely, 2^1303640134 is an apocalyptic number.

1303640134 is a deficient number, since it is larger than the sum of its proper divisors (665888546).

1303640134 is a wasteful number, since it uses less digits than its factorization.

1303640134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689494.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1303640134 is about 36105.9570431252. The cubic root of 1303640134 is about 1092.4106045996.

The spelling of 1303640134 in words is "one billion, three hundred three million, six hundred forty thousand, one hundred thirty-four".