136118690 has 8 divisors (see below), whose sum is σ = 245013660. Its totient is φ = 54447472.

The previous prime is 136118657. The next prime is 136118701. The reversal of 136118690 is 96811631.

It can be written as a sum of positive squares in 2 ways, for example, as 115498009 + 20620681 = 10747^2 + 4541^2 .

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

It is a super-2 number, since 2×136118690² = 37056595534632200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136118690.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6805925 + ... + 6805944.

Almost surely, 2^136118690 is an apocalyptic number.

136118690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136118690 is a deficient number, since it is larger than the sum of its proper divisors (108894970).

136118690 is a wasteful number, since it uses less digits than its factorization.

136118690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13611876.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 136118690 is about 11666.9914716691. The cubic root of 136118690 is about 514.4058753250.

The spelling of 136118690 in words is "one hundred thirty-six million, one hundred eighteen thousand, six hundred ninety".