1836071631136 has 12 divisors (see below), whose sum is σ = 3614766023862. Its totient is φ = 918035815552.

The previous prime is 1836071631113. The next prime is 1836071631139. The reversal of 1836071631136 is 6311361706381.

It can be written as a sum of positive squares in only one way, i.e., 996363312400 + 839708318736 = 998180^2 + 916356^2 .

It is not an unprimeable number, because it can be changed into a prime (1836071631139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28688619205 + ... + 28688619268.

Almost surely, 2^{1836071631136} is an apocalyptic number.

1836071631136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1836071631136 is a deficient number, since it is larger than the sum of its proper divisors (1778694392726).

1836071631136 is an equidigital number, since it uses as much as digits as its factorization.

1836071631136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57377238483 (or 57377238475 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 1836071631136 in words is "one trillion, eight hundred thirty-six billion, seventy-one million, six hundred thirty-one thousand, one hundred thirty-six".