1305140054 has 16 divisors (see below), whose sum is σ = 1970092800. Its totient is φ = 648450240.

The previous prime is 1305140027. The next prime is 1305140071. The reversal of 1305140054 is 4500415031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668672 + ... + 670620.

It is an arithmetic number, because the mean of its divisors is an integer number (123130800).

Almost surely, 2^1305140054 is an apocalyptic number.

1305140054 is a deficient number, since it is larger than the sum of its proper divisors (664952746).

1305140054 is a wasteful number, since it uses less digits than its factorization.

1305140054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1305140054 is about 36126.7221596424. The cubic root of 1305140054 is about 1092.8294064000.

Adding to 1305140054 its reverse (4500415031), we get a palindrome (5805555085).

The spelling of 1305140054 in words is "one billion, three hundred five million, one hundred forty thousand, fifty-four".