136818411 has 8 divisors (see below), whose sum is σ = 192025920. Its totient is φ = 86411592.

The previous prime is 136818379. The next prime is 136818413. The reversal of 136818411 is 114818631.

It is a happy number.

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

It is not a de Polignac number, because 136818411 - 2⁵ = 136818379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136818413) 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, 1200105 + ... + 1200218.

It is an arithmetic number, because the mean of its divisors is an integer number (24003240).

Almost surely, 2^136818411 is an apocalyptic number.

136818411 is a deficient number, since it is larger than the sum of its proper divisors (55207509).

136818411 is a wasteful number, since it uses less digits than its factorization.

136818411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400345.

The product of its digits is 4608, while the sum is 33.

The square root of 136818411 is about 11696.9402409348. The cubic root of 136818411 is about 515.2858073611.

The spelling of 136818411 in words is "one hundred thirty-six million, eight hundred eighteen thousand, four hundred eleven".