136521345533635 has 8 divisors (see below), whose sum is σ = 163850553881280. Its totient is φ = 109200450266304.

The previous prime is 136521345533609. The next prime is 136521345533641. The reversal of 136521345533635 is 536335543125631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 136521345533635 - 2¹³ = 136521345525443 is a prime.

It is a super-2 number, since 2×136521345533635² (a number of 29 digits) contains 22 as substring.

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, 2078233947 + ... + 2078299636.

It is an arithmetic number, because the mean of its divisors is an integer number (20481319235160).

Almost surely, 2^{136521345533635} is an apocalyptic number.

136521345533635 is a deficient number, since it is larger than the sum of its proper divisors (27329208347645).

136521345533635 is an equidigital number, since it uses as much as digits as its factorization.

136521345533635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156540157.

The product of its digits is 43740000, while the sum is 55.

The spelling of 136521345533635 in words is "one hundred thirty-six trillion, five hundred twenty-one billion, three hundred forty-five million, five hundred thirty-three thousand, six hundred thirty-five".