136718432 has 48 divisors (see below), whose sum is σ = 279401472. Its totient is φ = 65784960.

The previous prime is 136718431. The next prime is 136718503. The reversal of 136718432 is 234817631.

It is a junction number, because it is equal to n+sod(n) for n = 136718392 and 136718401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136718431) 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, 280493 + ... + 280979.

It is an arithmetic number, because the mean of its divisors is an integer number (5820864).

Almost surely, 2^136718432 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 136718432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139700736).

136718432 is an abundant number, since it is smaller than the sum of its proper divisors (142683040).

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

136718432 is a wasteful number, since it uses less digits than its factorization.

136718432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 803 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 136718432 is about 11692.6657354087. The cubic root of 136718432 is about 515.1602630643.

The spelling of 136718432 in words is "one hundred thirty-six million, seven hundred eighteen thousand, four hundred thirty-two".