136767081 has 8 divisors (see below), whose sum is σ = 198933984. Its totient is φ = 82889120.

The previous prime is 136767067. The next prime is 136767089. The reversal of 136767081 is 180767631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136767081 - 2⁵ = 136767049 is a prime.

It is a super-2 number, since 2×136767081² = 37410468890521122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136767089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072196 + ... + 2072261.

It is an arithmetic number, because the mean of its divisors is an integer number (24866748).

Almost surely, 2^136767081 is an apocalyptic number.

136767081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136767081 is a deficient number, since it is larger than the sum of its proper divisors (62166903).

136767081 is a wasteful number, since it uses less digits than its factorization.

136767081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144471.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 136767081 is about 11694.7458715442. The cubic root of 136767081 is about 515.2213595803.

The spelling of 136767081 in words is "one hundred thirty-six million, seven hundred sixty-seven thousand, eighty-one".