1305345342 has 32 divisors (see below), whose sum is σ = 2996697600. Its totient is φ = 371324448.

The previous prime is 1305345341. The next prime is 1305345373. The reversal of 1305345342 is 2435435031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305345341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58242 + ... + 77477.

It is an arithmetic number, because the mean of its divisors is an integer number (93646800).

Almost surely, 2^1305345342 is an apocalyptic number.

1305345342 is an abundant number, since it is smaller than the sum of its proper divisors (1691352258).

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

1305345342 is a wasteful number, since it uses less digits than its factorization.

1305345342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135960.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1305345342 is about 36129.5632688800. The cubic root of 1305345342 is about 1092.8867011455.

It can be divided in two parts, 13053453 and 42, that added together give a triangular number (13053495 = T₅₁₀₉).

The spelling of 1305345342 in words is "one billion, three hundred five million, three hundred forty-five thousand, three hundred forty-two".