136743147 has 24 divisors (see below), whose sum is σ = 206031280. Its totient is φ = 90629280.

The previous prime is 136743143. The next prime is 136743161. The reversal of 136743147 is 741347631.

It is not a de Polignac number, because 136743147 - 2² = 136743143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136743143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42429 + ... + 45537.

Almost surely, 2^136743147 is an apocalyptic number.

136743147 is a deficient number, since it is larger than the sum of its proper divisors (69288133).

136743147 is an equidigital number, since it uses as much as digits as its factorization.

136743147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305 (or 3293 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 136743147 is about 11693.7225467342. The cubic root of 136743147 is about 515.1913035480.

The spelling of 136743147 in words is "one hundred thirty-six million, seven hundred forty-three thousand, one hundred forty-seven".