136687075 has 12 divisors (see below), whose sum is σ = 193705360. Its totient is φ = 93728160.

The previous prime is 136687051. The next prime is 136687079. The reversal of 136687075 is 570786631.

136687075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136687075 - 2¹⁹ = 136162787 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (136687079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390360 + ... + 390709.

Almost surely, 2^136687075 is an apocalyptic number.

136687075 is a deficient number, since it is larger than the sum of its proper divisors (57018285).

136687075 is an equidigital number, since it uses as much as digits as its factorization.

136687075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781086 (or 781081 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 136687075 is about 11691.3247752340. The cubic root of 136687075 is about 515.1208752625.

The spelling of 136687075 in words is "one hundred thirty-six million, six hundred eighty-seven thousand, seventy-five".