136866195 has 24 divisors (see below), whose sum is σ = 237510000. Its totient is φ = 72910656.

The previous prime is 136866187. The next prime is 136866217. The reversal of 136866195 is 591668631.

It is not a de Polignac number, because 136866195 - 2³ = 136866187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 136866195.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66441 + ... + 68469.

It is an arithmetic number, because the mean of its divisors is an integer number (9896250).

Almost surely, 2^136866195 is an apocalyptic number.

136866195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136866195 is a deficient number, since it is larger than the sum of its proper divisors (100643805).

136866195 is a wasteful number, since it uses less digits than its factorization.

136866195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539 (or 3536 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 136866195 is about 11698.9826480767. The cubic root of 136866195 is about 515.3457884482.

It can be divided in two parts, 13686 and 6195, that added together give a square (19881 = 141²).

The spelling of 136866195 in words is "one hundred thirty-six million, eight hundred sixty-six thousand, one hundred ninety-five".