136621465416 has 96 divisors (see below), whose sum is σ = 374741640000. Its totient is φ = 44959715712.

The previous prime is 136621465411. The next prime is 136621465427. The reversal of 136621465416 is 614564126631.

136621465416 is a `hidden beast` number, since 1 + 3 + 6 + 62 + 1 + 46 + 541 + 6 = 666.

It is a super-3 number, since 3×136621465416³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (136621465411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9249445 + ... + 9264203.

It is an arithmetic number, because the mean of its divisors is an integer number (3903558750).

Almost surely, 2^136621465416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136621465416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187370820000).

136621465416 is an abundant number, since it is smaller than the sum of its proper divisors (238120174584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136621465416 is a wasteful number, since it uses less digits than its factorization.

136621465416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16403 (or 16396 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 136621465416 in words is "one hundred thirty-six billion, six hundred twenty-one million, four hundred sixty-five thousand, four hundred sixteen".