1345620603 has 32 divisors (see below), whose sum is σ = 1912458240. Its totient is φ = 839198880.

The previous prime is 1345620599. The next prime is 1345620659. The reversal of 1345620603 is 3060265431.

It is not a de Polignac number, because 1345620603 - 2² = 1345620599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345621603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2292076 + ... + 2292662.

It is an arithmetic number, because the mean of its divisors is an integer number (59764320).

Almost surely, 2^1345620603 is an apocalyptic number.

1345620603 is a deficient number, since it is larger than the sum of its proper divisors (566837637).

1345620603 is a wasteful number, since it uses less digits than its factorization.

1345620603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1345620603 is about 36682.7016862172. The cubic root of 1345620603 is about 1104.0130559591.

The spelling of 1345620603 in words is "one billion, three hundred forty-five million, six hundred twenty thousand, six hundred three".