136986288 has 20 divisors (see below), whose sum is σ = 353881368. Its totient is φ = 45662080.

The previous prime is 136986287. The next prime is 136986293. The reversal of 136986288 is 882689631.

It is a self number, because there is not a number n which added to its sum of digits gives 136986288.

It is not an unprimeable number, because it can be changed into a prime (136986287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426893 + ... + 1426988.

Almost surely, 2^136986288 is an apocalyptic number.

It is an amenable number.

136986288 is an abundant number, since it is smaller than the sum of its proper divisors (216895080).

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

136986288 is a wasteful number, since it uses less digits than its factorization.

136986288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853892 (or 2853886 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 136986288 is about 11704.1141484522. The cubic root of 136986288 is about 515.4964741331.

The spelling of 136986288 in words is "one hundred thirty-six million, nine hundred eighty-six thousand, two hundred eighty-eight".