Search a number
136507 = 719501
BaseRepresentation
bin100001010100111011
320221020211
4201110323
513332012
62531551
71105660
oct412473
9227224
10136507
1193618
1266bb7
134a197
1437a67
152a6a7
hex2153b

136507 has 4 divisors (see below), whose sum is σ = 156016. Its totient is φ = 117000.

The previous prime is 136501. The next prime is 136511. The reversal of 136507 is 705631.

136507 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 136507 - 27 = 136379 is a prime.

It is a super-2 number, since 2×1365072 = 37268322098, which contains 22 as substring.

136507 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136507.

It is not an unprimeable number, because it can be changed into a prime (136501) 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, 9744 + ... + 9757.

It is an arithmetic number, because the mean of its divisors is an integer number (39004).

2136507 is an apocalyptic number.

136507 is a deficient number, since it is larger than the sum of its proper divisors (19509).

136507 is an equidigital number, since it uses as much as digits as its factorization.

136507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19508.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 136507 is about 369.4685372261. The cubic root of 136507 is about 51.4894564773.

The spelling of 136507 in words is "one hundred thirty-six thousand, five hundred seven".

Divisors: 1 7 19501 136507