136441220615 has 8 divisors (see below), whose sum is σ = 187119388320. Its totient is φ = 93559694112.

The previous prime is 136441220579. The next prime is 136441220621. The reversal of 136441220615 is 516022144631.

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 136441220615 - 2⁶ = 136441220551 is a prime.

It is a super-2 number, since 2×136441220615² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 3898320589 = 136441220615 / (1 + 3 + 6 + 4 + 4 + 1 + 2 + 2 + 0 + 6 + 1 + 5).

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, 1949160260 + ... + 1949160329.

It is an arithmetic number, because the mean of its divisors is an integer number (23389923540).

Almost surely, 2^136441220615 is an apocalyptic number.

136441220615 is a deficient number, since it is larger than the sum of its proper divisors (50678167705).

136441220615 is an equidigital number, since it uses as much as digits as its factorization.

136441220615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898320601.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 136441220615 in words is "one hundred thirty-six billion, four hundred forty-one million, two hundred twenty thousand, six hundred fifteen".