136851 has 24 divisors (see below), whose sum is σ = 223440. Its totient is φ = 73920.

The previous prime is 136849. The next prime is 136859. The reversal of 136851 is 158631.

It is not a de Polignac number, because 136851 - 2¹ = 136849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4705 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (9310).

2¹³⁶⁸⁵¹ is an apocalyptic number.

136851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136851 is a deficient number, since it is larger than the sum of its proper divisors (86589).

136851 is a wasteful number, since it uses less digits than its factorization.

136851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 56 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 136851 is about 369.9337778576. The cubic root of 136851 is about 51.5326716368.

The spelling of 136851 in words is "one hundred thirty-six thousand, eight hundred fifty-one".