136941918 has 16 divisors (see below), whose sum is σ = 277351680. Its totient is φ = 45069336.

The previous prime is 136941913. The next prime is 136941923. The reversal of 136941918 is 819149631.

It is an interprime number because it is at equal distance from previous prime (136941913) and next prime (136941923).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136941918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136941913) 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, 143980 + ... + 144927.

It is an arithmetic number, because the mean of its divisors is an integer number (17334480).

Almost surely, 2^136941918 is an apocalyptic number.

136941918 is an abundant number, since it is smaller than the sum of its proper divisors (140409762).

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

136941918 is a wasteful number, since it uses less digits than its factorization.

136941918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288991.

The product of its digits is 46656, while the sum is 42.

The square root of 136941918 is about 11702.2185076164. The cubic root of 136941918 is about 515.4408115097.

The spelling of 136941918 in words is "one hundred thirty-six million, nine hundred forty-one thousand, nine hundred eighteen".