136040286 has 8 divisors (see below), whose sum is σ = 272080584. Its totient is φ = 45346760.

The previous prime is 136040263. The next prime is 136040287. The reversal of 136040286 is 682040631.

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

136040286 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136040287) 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, 11336685 + ... + 11336696.

It is an arithmetic number, because the mean of its divisors is an integer number (34010073).

Almost surely, 2^136040286 is an apocalyptic number.

136040286 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.

136040286 is a wasteful number, since it uses less digits than its factorization.

136040286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22673386.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 136040286 is about 11663.6309097982. The cubic root of 136040286 is about 514.3070908884.

The spelling of 136040286 in words is "one hundred thirty-six million, forty thousand, two hundred eighty-six".