136470256 has 40 divisors (see below), whose sum is σ = 285676160. Its totient is φ = 62781696.

The previous prime is 136470253. The next prime is 136470349. The reversal of 136470256 is 652074631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136470253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76705 + ... + 78463.

It is an arithmetic number, because the mean of its divisors is an integer number (7141904).

Almost surely, 2^136470256 is an apocalyptic number.

136470256 is a gapful number since it is divisible by the number (16) 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 136470256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142838080).

136470256 is an abundant number, since it is smaller than the sum of its proper divisors (149205904).

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

136470256 is a wasteful number, since it uses less digits than its factorization.

136470256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 136470256 is about 11682.0484505073. The cubic root of 136470256 is about 514.8483620544.

The spelling of 136470256 in words is "one hundred thirty-six million, four hundred seventy thousand, two hundred fifty-six".