1306013605402 has 32 divisors (see below), whose sum is σ = 2206304985600. Its totient is φ = 574426987200.

The previous prime is 1306013605349. The next prime is 1306013605409. The reversal of 1306013605402 is 2045063106031.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1306013605409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6107224 + ... + 6317452.

It is an arithmetic number, because the mean of its divisors is an integer number (68947030800).

Almost surely, 2^{1306013605402} is an apocalyptic number.

1306013605402 is a deficient number, since it is larger than the sum of its proper divisors (900291380198).

1306013605402 is a wasteful number, since it uses less digits than its factorization.

1306013605402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219382.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 1306013605402 in words is "one trillion, three hundred six billion, thirteen million, six hundred five thousand, four hundred two".