136146669 has 8 divisors (see below), whose sum is σ = 181924512. Its totient is φ = 90566640.

The previous prime is 136146653. The next prime is 136146697. The reversal of 136146669 is 966641631.

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

It is not a de Polignac number, because 136146669 - 2⁴ = 136146653 is a prime.

It is a super-2 number, since 2×136146669² = 37071830959591122, which contains 22 as substring.

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 Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136146669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136146869) 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, 47839 + ... + 50604.

It is an arithmetic number, because the mean of its divisors is an integer number (22740564).

Almost surely, 2^136146669 is an apocalyptic number.

It is an amenable number.

136146669 is a deficient number, since it is larger than the sum of its proper divisors (45777843).

136146669 is an equidigital number, since it uses as much as digits as its factorization.

136146669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98907.

The product of its digits is 139968, while the sum is 42.

The square root of 136146669 is about 11668.1904766763. The cubic root of 136146669 is about 514.4411180385.

The spelling of 136146669 in words is "one hundred thirty-six million, one hundred forty-six thousand, six hundred sixty-nine".