1536645373136 has 20 divisors (see below), whose sum is σ = 2977428898500. Its totient is φ = 768276625152.

The previous prime is 1536645373093. The next prime is 1536645373157. The reversal of 1536645373136 is 6313735466351.

It can be written as a sum of positive squares in 2 ways, for example, as 589449275536 + 947196097600 = 767756^2 + 973240^2 .

It is a super-2 number, since 2×1536645373136² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2602811 + ... + 3138138.

It is an arithmetic number, because the mean of its divisors is an integer number (148871444925).

Almost surely, 2^{1536645373136} is an apocalyptic number.

1536645373136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1536645373136 is a deficient number, since it is larger than the sum of its proper divisors (1440783525364).

1536645373136 is a wasteful number, since it uses less digits than its factorization.

1536645373136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757686 (or 5757680 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 53.

The spelling of 1536645373136 in words is "one trillion, five hundred thirty-six billion, six hundred forty-five million, three hundred seventy-three thousand, one hundred thirty-six".