1351357603 has 8 divisors (see below), whose sum is σ = 1386356400. Its totient is φ = 1316521248.

The previous prime is 1351357547. The next prime is 1351357607. The reversal of 1351357603 is 3067531531.

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

It is a cyclic number.

It is not a de Polignac number, because 1351357603 - 2²⁹ = 814486691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351357607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23668 + ... + 57121.

It is an arithmetic number, because the mean of its divisors is an integer number (173294550).

Almost surely, 2^1351357603 is an apocalyptic number.

1351357603 is a deficient number, since it is larger than the sum of its proper divisors (34998797).

1351357603 is an equidigital number, since it uses as much as digits as its factorization.

1351357603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81221.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 1351357603 is about 36760.8161362068. The cubic root of 1351357603 is about 1105.5798034151.

The spelling of 1351357603 in words is "one billion, three hundred fifty-one million, three hundred fifty-seven thousand, six hundred three".