1380349603 has 4 divisors (see below), whose sum is σ = 1380556080. Its totient is φ = 1380143128.

The previous prime is 1380349589. The next prime is 1380349613. The reversal of 1380349603 is 3069430831.

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 1380349603 - 2²¹ = 1378252451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380349613) 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, 92863 + ... + 106696.

It is an arithmetic number, because the mean of its divisors is an integer number (345139020).

Almost surely, 2^1380349603 is an apocalyptic number.

1380349603 is a deficient number, since it is larger than the sum of its proper divisors (206477).

1380349603 is an equidigital number, since it uses as much as digits as its factorization.

1380349603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206476.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1380349603 is about 37153.0564422364. The cubic root of 1380349603 is about 1113.4302894534.

The spelling of 1380349603 in words is "one billion, three hundred eighty million, three hundred forty-nine thousand, six hundred three".