136191284 has 24 divisors (see below), whose sum is σ = 256499208. Its totient is φ = 63037440.

The previous prime is 136191281. The next prime is 136191287. The reversal of 136191284 is 482191631.

136191284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (136191281) and next prime (136191287).

It can be written as a sum of positive squares in 4 ways, for example, as 12759184 + 123432100 = 3572^2 + 11110^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136191281) 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, 12269 + ... + 20564.

It is an arithmetic number, because the mean of its divisors is an integer number (10687467).

Almost surely, 2^136191284 is an apocalyptic number.

It is an amenable number.

136191284 is a deficient number, since it is larger than the sum of its proper divisors (120307924).

136191284 is a wasteful number, since it uses less digits than its factorization.

136191284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32915 (or 32913 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 136191284 is about 11670.1021417981. The cubic root of 136191284 is about 514.4973056878.

The spelling of 136191284 in words is "one hundred thirty-six million, one hundred ninety-one thousand, two hundred eighty-four".