1345420063 has 4 divisors (see below), whose sum is σ = 1448913928. Its totient is φ = 1241926200.

The previous prime is 1345420061. The next prime is 1345420067. The reversal of 1345420063 is 3600245431.

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 1345420063 - 2¹ = 1345420061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345420061) 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, 51746913 + ... + 51746938.

It is an arithmetic number, because the mean of its divisors is an integer number (362228482).

Almost surely, 2^1345420063 is an apocalyptic number.

1345420063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1345420063 is a deficient number, since it is larger than the sum of its proper divisors (103493865).

1345420063 is a wasteful number, since it uses less digits than its factorization.

1345420063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103493864.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1345420063 is about 36679.9681433886. The cubic root of 1345420063 is about 1103.9582089546.

Adding to 1345420063 its reverse (3600245431), we get a palindrome (4945665494).

The spelling of 1345420063 in words is "one billion, three hundred forty-five million, four hundred twenty thousand, sixty-three".