1204136403705 has 36 divisors (see below), whose sum is σ = 2202802470180. Its totient is φ = 608405753664.

The previous prime is 1204136403689. The next prime is 1204136403727. The reversal of 1204136403705 is 5073046314021.

1204136403705 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 1 + 3 + 640 + 3 + 7 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 796363481664 + 407772922041 = 892392^2 + 638571^2 .

It is not a de Polignac number, because 1204136403705 - 2⁴ = 1204136403689 is a prime.

It is a super-2 number, since 2×1204136403705² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1204136403705.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37045510 + ... + 37077999.

It is an arithmetic number, because the mean of its divisors is an integer number (61188957505).

Almost surely, 2^{1204136403705} is an apocalyptic number.

1204136403705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1204136403705 is a deficient number, since it is larger than the sum of its proper divisors (998666066475).

1204136403705 is a wasteful number, since it uses less digits than its factorization.

1204136403705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74123558 (or 74123536 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 1204136403705 in words is "one trillion, two hundred four billion, one hundred thirty-six million, four hundred three thousand, seven hundred five".