Search a number
-
+
136125707 = 235918509
BaseRepresentation
bin10000001110100…
…01110100001011
3100111010220100212
420013101310023
5234322010312
621301351335
73242022644
oct1007216413
9314126325
10136125707
116a926293
123970854b
1322281a73
14141166cb
15be3d822
hex81d1d0b

136125707 has 4 divisors (see below), whose sum is σ = 142044240. Its totient is φ = 130207176.

The previous prime is 136125697. The next prime is 136125733. The reversal of 136125707 is 707521631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707521631 = 838524357.

It is a cyclic number.

It is not a de Polignac number, because 136125707 - 26 = 136125643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136125107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959232 + ... + 2959277.

It is an arithmetic number, because the mean of its divisors is an integer number (35511060).

Almost surely, 2136125707 is an apocalyptic number.

136125707 is a deficient number, since it is larger than the sum of its proper divisors (5918533).

136125707 is an equidigital number, since it uses as much as digits as its factorization.

136125707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918532.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 136125707 is about 11667.2921879929. The cubic root of 136125707 is about 514.4147144835.

The spelling of 136125707 in words is "one hundred thirty-six million, one hundred twenty-five thousand, seven hundred seven".

Divisors: 1 23 5918509 136125707