136140 has 24 divisors (see below), whose sum is σ = 381360. Its totient is φ = 36288.

The previous prime is 136139. The next prime is 136163. The reversal of 136140 is 41631.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (15890).

2¹³⁶¹⁴⁰ is an apocalyptic number.

136140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136140 is an abundant number, since it is smaller than the sum of its proper divisors (245220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136140 is a wasteful number, since it uses less digits than its factorization.

136140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2279 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 136140 is about 368.9715436182. The cubic root of 136140 is about 51.4432718117.

Adding to 136140 its reverse (41631), we get a palindrome (177771).

It can be divided in two parts, 136 and 140, that added together give a triangular number (276 = T₂₃).

The spelling of 136140 in words is "one hundred thirty-six thousand, one hundred forty".