136621465415 has 8 divisors (see below), whose sum is σ = 164402434080. Its totient is φ = 108992721952.

The previous prime is 136621465411. The next prime is 136621465427. The reversal of 136621465415 is 514564126631.

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 136621465415 - 2² = 136621465411 is a prime.

It is a super-2 number, since 2×136621465415² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136621465411) 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, 38054324 + ... + 38057913.

It is an arithmetic number, because the mean of its divisors is an integer number (20550304260).

Almost surely, 2^136621465415 is an apocalyptic number.

136621465415 is a deficient number, since it is larger than the sum of its proper divisors (27780968665).

136621465415 is an equidigital number, since it uses as much as digits as its factorization.

136621465415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76112601.

The product of its digits is 518400, while the sum is 44.

The spelling of 136621465415 in words is "one hundred thirty-six billion, six hundred twenty-one million, four hundred sixty-five thousand, four hundred fifteen".