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136151 = 173787

136151 has 4 divisors (see below), whose sum is σ = 137112. Its totient is φ = 135192.

The previous prime is 136139. The next prime is 136163. The reversal of 136151 is 151631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (136139) and next prime (136163).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136151 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136151.

It is not an unprimeable number, because it can be changed into a prime (136111) 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, 221 + ... + 566.

It is an arithmetic number, because the mean of its divisors is an integer number (34278).

2136151 is an apocalyptic number.

136151 is a deficient number, since it is larger than the sum of its proper divisors (961).

136151 is an equidigital number, since it uses as much as digits as its factorization.

136151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960.

The product of its digits is 90, while the sum is 17.

The square root of 136151 is about 368.9864496157. The cubic root of 136151 is about 51.4446572991. Note that the first 3 decimals are identical.

Adding to 136151 its reverse (151631), we get a palindrome (287782).

The spelling of 136151 in words is "one hundred thirty-six thousand, one hundred fifty-one".

Divisors: 1 173 787 136151