136447512 has 64 divisors (see below), whose sum is σ = 364080000. Its totient is φ = 42488064.

The previous prime is 136447511. The next prime is 136447513. The reversal of 136447512 is 215744631.

It is an interprime number because it is at equal distance from previous prime (136447511) and next prime (136447513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136447511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31239 + ... + 35337.

It is an arithmetic number, because the mean of its divisors is an integer number (5688750).

Almost surely, 2^136447512 is an apocalyptic number.

136447512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136447512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182040000).

136447512 is an abundant number, since it is smaller than the sum of its proper divisors (227632488).

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

136447512 is a wasteful number, since it uses less digits than its factorization.

136447512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200 (or 4196 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 136447512 is about 11681.0749505343. The cubic root of 136447512 is about 514.8197590898.

The spelling of 136447512 in words is "one hundred thirty-six million, four hundred forty-seven thousand, five hundred twelve".