136121150916 has 135 divisors (see below), whose sum is σ = 361150731711. Its totient is φ = 44707400496.

The previous prime is 136121150863. The next prime is 136121150929. The reversal of 136121150916 is 619051121631.

The square root of 136121150916 is 368946.

It is a perfect power (a square), and thus also a powerful number.

136121150916 is a `hidden beast` number, since 13 + 6 + 121 + 1 + 509 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 684025785 + ... + 684025983.

Almost surely, 2^136121150916 is an apocalyptic number.

136121150916 is the 368946-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136121150916

136121150916 is an abundant number, since it is smaller than the sum of its proper divisors (225029580795).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136121150916 is an equidigital number, since it uses as much as digits as its factorization.

136121150916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

Multiplying 136121150916 by its sum of digits (36), we get a square (4900361432976 = 2213676²).

136121150916 divided by its sum of digits (36) gives a square (3781143081 = 61491²).

The spelling of 136121150916 in words is "one hundred thirty-six billion, one hundred twenty-one million, one hundred fifty thousand, nine hundred sixteen".