136081368 has 24 divisors (see below), whose sum is σ = 368553900. Its totient is φ = 45360432.

The previous prime is 136081357. The next prime is 136081381. The reversal of 136081368 is 863180631.

136081368 is a `hidden beast` number, since 13 + 608 + 1 + 36 + 8 = 666.

136081368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944938 + ... + 945081.

Almost surely, 2^136081368 is an apocalyptic number.

136081368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136081368 is an abundant number, since it is smaller than the sum of its proper divisors (232472532).

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

136081368 is a wasteful number, since it uses less digits than its factorization.

136081368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890031 (or 1890024 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 136081368 is about 11665.3918922598. The cubic root of 136081368 is about 514.3588565284.

It can be divided in two parts, 1360 and 81368, that added together give a palindrome (82728).

The spelling of 136081368 in words is "one hundred thirty-six million, eighty-one thousand, three hundred sixty-eight".