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136130807 = 373679211
BaseRepresentation
bin10000001110100…
…11000011110111
3100111011011100202
420013103003313
5234322141212
621301431115
73242043551
oct1007230367
9314134322
10136130807
116a92a0aa
123970b49b
1322284197
14141184d1
15be400c2
hex81d30f7

136130807 has 4 divisors (see below), whose sum is σ = 139810056. Its totient is φ = 132451560.

The previous prime is 136130803. The next prime is 136130809. The reversal of 136130807 is 708031631.

136130807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136130807 - 22 = 136130803 is a prime.

It is a super-2 number, since 2×1361308072 = 37063193228942498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136130807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136130803) 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, 1839569 + ... + 1839642.

It is an arithmetic number, because the mean of its divisors is an integer number (34952514).

Almost surely, 2136130807 is an apocalyptic number.

136130807 is a deficient number, since it is larger than the sum of its proper divisors (3679249).

136130807 is an equidigital number, since it uses as much as digits as its factorization.

136130807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679248.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 136130807 is about 11667.5107456561. The cubic root of 136130807 is about 514.4211386491.

The spelling of 136130807 in words is "one hundred thirty-six million, one hundred thirty thousand, eight hundred seven".

Divisors: 1 37 3679211 136130807