136421352384 has 56 divisors (see below), whose sum is σ = 361043799120. Its totient is φ = 45461735424.

The previous prime is 136421352373. The next prime is 136421352391. The reversal of 136421352384 is 483253124631.

It is a super-2 number, since 2×136421352384² (a number of 23 digits) contains 22 as substring.

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, 647572 + ... + 831980.

Almost surely, 2^136421352384 is an apocalyptic number.

It is an amenable number.

136421352384 is an abundant number, since it is smaller than the sum of its proper divisors (224622446736).

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

136421352384 is a wasteful number, since it uses less digits than its factorization.

136421352384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188277 (or 188267 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 136421352384 in words is "one hundred thirty-six billion, four hundred twenty-one million, three hundred fifty-two thousand, three hundred eighty-four".