1305642436130 has 32 divisors (see below), whose sum is σ = 2434285880640. Its totient is φ = 503607303360.

The previous prime is 1305642436123. The next prime is 1305642436139. The reversal of 1305642436130 is 316342465031.

It is a super-2 number, since 2×1305642436130² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1305642436139) 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, 2632136 + ... + 3088595.

It is an arithmetic number, because the mean of its divisors is an integer number (76071433770).

Almost surely, 2^{1305642436130} is an apocalyptic number.

1305642436130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305642436130 is a deficient number, since it is larger than the sum of its proper divisors (1128643444510).

1305642436130 is a wasteful number, since it uses less digits than its factorization.

1305642436130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721554.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 1305642436130 in words is "one trillion, three hundred five billion, six hundred forty-two million, four hundred thirty-six thousand, one hundred thirty".