136415204241621 has 8 divisors (see below), whose sum is σ = 181887002404800. Its totient is φ = 90943437786432.

The previous prime is 136415204241607. The next prime is 136415204241661. The reversal of 136415204241621 is 126142402514631.

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

It is not a de Polignac number, because 136415204241621 - 2⁹ = 136415204241109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136415204241661) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5232301 + ... + 17326493.

It is an arithmetic number, because the mean of its divisors is an integer number (22735875300600).

Almost surely, 2^{136415204241621} is an apocalyptic number.

It is an amenable number.

136415204241621 is a deficient number, since it is larger than the sum of its proper divisors (45471798163179).

136415204241621 is a wasteful number, since it uses less digits than its factorization.

136415204241621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15853995.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 136415204241621 in words is "one hundred thirty-six trillion, four hundred fifteen billion, two hundred four million, two hundred forty-one thousand, six hundred twenty-one".