136511040 has 112 divisors (see below), whose sum is σ = 441764928. Its totient is φ = 35702784.

The previous prime is 136511021. The next prime is 136511041. The reversal of 136511040 is 40115631.

It is a junction number, because it is equal to n+sod(n) for n = 136510998 and 136511016.

It is not an unprimeable number, because it can be changed into a prime (136511041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49539 + ... + 52221.

Almost surely, 2^136511040 is an apocalyptic number.

136511040 is a gapful number since it is divisible by the number (10) 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 136511040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220882464).

136511040 is an abundant number, since it is smaller than the sum of its proper divisors (305253888).

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

136511040 is a wasteful number, since it uses less digits than its factorization.

136511040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 136511040 is about 11683.7939043788. The cubic root of 136511040 is about 514.8996442529.

Adding to 136511040 its reverse (40115631), we get a palindrome (176626671).

The spelling of 136511040 in words is "one hundred thirty-six million, five hundred eleven thousand, forty".