136145886 has 8 divisors (see below), whose sum is σ = 272291784. Its totient is φ = 45381960.

The previous prime is 136145873. The next prime is 136145899. The reversal of 136145886 is 688541631.

It is an interprime number because it is at equal distance from previous prime (136145873) and next prime (136145899).

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

136145886 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 11345485 + ... + 11345496.

It is an arithmetic number, because the mean of its divisors is an integer number (34036473).

Almost surely, 2^136145886 is an apocalyptic number.

136145886 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.

136145886 is a wasteful number, since it uses less digits than its factorization.

136145886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22690986.

The product of its digits is 138240, while the sum is 42.

The square root of 136145886 is about 11668.1569238676. The cubic root of 136145886 is about 514.4401318272.

The spelling of 136145886 in words is "one hundred thirty-six million, one hundred forty-five thousand, eight hundred eighty-six".