136030081 has 8 divisors (see below), whose sum is σ = 149566464. Its totient is φ = 122688720.

The previous prime is 136030057. The next prime is 136030099. The reversal of 136030081 is 180030631.

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

It is not a de Polignac number, because 136030081 - 2²³ = 127641473 is a prime.

It is a super-2 number, since 2×136030081² = 37008365873733122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136030001) 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, 47290 + ... + 50083.

It is an arithmetic number, because the mean of its divisors is an integer number (18695808).

Almost surely, 2^136030081 is an apocalyptic number.

136030081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136030081 is a deficient number, since it is larger than the sum of its proper divisors (13536383).

136030081 is a wasteful number, since it uses less digits than its factorization.

136030081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97511.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 136030081 is about 11663.1934306175. The cubic root of 136030081 is about 514.2942303962.

The spelling of 136030081 in words is "one hundred thirty-six million, thirty thousand, eighty-one".