136621545135 has 8 divisors (see below), whose sum is σ = 218594472240. Its totient is φ = 72864824064.

The previous prime is 136621545101. The next prime is 136621545157. The reversal of 136621545135 is 531545126631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136621545135 - 2¹⁴ = 136621528751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4554051490 + ... + 4554051519.

It is an arithmetic number, because the mean of its divisors is an integer number (27324309030).

Almost surely, 2^136621545135 is an apocalyptic number.

136621545135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136621545135 is a deficient number, since it is larger than the sum of its proper divisors (81972927105).

136621545135 is an equidigital number, since it uses as much as digits as its factorization.

136621545135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9108103017.

The product of its digits is 324000, while the sum is 42.

The spelling of 136621545135 in words is "one hundred thirty-six billion, six hundred twenty-one million, five hundred forty-five thousand, one hundred thirty-five".