136949718 has 8 divisors (see below), whose sum is σ = 273899448. Its totient is φ = 45649904.

The previous prime is 136949677. The next prime is 136949749. The reversal of 136949718 is 817949631.

It is a happy number.

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

136949718 is an admirable number.

It is a congruent number.

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, 11412471 + ... + 11412482.

It is an arithmetic number, because the mean of its divisors is an integer number (34237431).

Almost surely, 2^136949718 is an apocalyptic number.

136949718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136949718 is a wasteful number, since it uses less digits than its factorization.

136949718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22824958.

The product of its digits is 326592, while the sum is 48.

The square root of 136949718 is about 11702.5517730109. The cubic root of 136949718 is about 515.4505975613.

The spelling of 136949718 in words is "one hundred thirty-six million, nine hundred forty-nine thousand, seven hundred eighteen".