1345341020 has 12 divisors (see below), whose sum is σ = 2825216184. Its totient is φ = 538136400.

The previous prime is 1345340977. The next prime is 1345341073. The reversal of 1345341020 is 201435431.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33633506 + ... + 33633545.

It is an arithmetic number, because the mean of its divisors is an integer number (235434682).

Almost surely, 2^1345341020 is an apocalyptic number.

1345341020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345341020 is an abundant number, since it is smaller than the sum of its proper divisors (1479875164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345341020 is a wasteful number, since it uses less digits than its factorization.

1345341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67267060 (or 67267058 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1345341020 is about 36678.8906593425. The cubic root of 1345341020 is about 1103.9365894669.

Adding to 1345341020 its reverse (201435431), we get a palindrome (1546776451).

The spelling of 1345341020 in words is "one billion, three hundred forty-five million, three hundred forty-one thousand, twenty".