136017640 has 32 divisors (see below), whose sum is σ = 333862560. Its totient is φ = 49460800.

The previous prime is 136017631. The next prime is 136017641. The reversal of 136017640 is 46710631.

136017640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 136017599 and 136017608.

It is not an unprimeable number, because it can be changed into a prime (136017641) 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, 154126 + ... + 155005.

It is an arithmetic number, because the mean of its divisors is an integer number (10433205).

Almost surely, 2^136017640 is an apocalyptic number.

136017640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136017640 is an abundant number, since it is smaller than the sum of its proper divisors (197844920).

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

136017640 is a wasteful number, since it uses less digits than its factorization.

136017640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309153 (or 309149 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 136017640 is about 11662.6600739282. The cubic root of 136017640 is about 514.2785511936.

The spelling of 136017640 in words is "one hundred thirty-six million, seventeen thousand, six hundred forty".