136430974848 has 128 divisors (see below), whose sum is σ = 414284832000. Its totient is φ = 38969044992.

The previous prime is 136430974811. The next prime is 136430974877. The reversal of 136430974848 is 848479034631.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×136430974848² (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 15 ways as a sum of consecutive naturals, for example, 15206908 + ... + 15215876.

It is an arithmetic number, because the mean of its divisors is an integer number (3236600250).

Almost surely, 2^136430974848 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 136430974848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207142416000).

136430974848 is an abundant number, since it is smaller than the sum of its proper divisors (277853857152).

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

136430974848 is an equidigital number, since it uses as much as digits as its factorization.

136430974848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14652 (or 14640 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 136430974848 in words is "one hundred thirty-six billion, four hundred thirty million, nine hundred seventy-four thousand, eight hundred forty-eight".