155136 has 40 divisors (see below), whose sum is σ = 417384. Its totient is φ = 51200.

The previous prime is 155119. The next prime is 155137. The reversal of 155136 is 631551.

It is a happy number.

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 155136.

It is not an unprimeable number, because it can be changed into a prime (155137) 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, 1486 + ... + 1586.

2¹⁵⁵¹³⁶ is an apocalyptic number.

155136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208692).

155136 is an abundant number, since it is smaller than the sum of its proper divisors (262248).

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

155136 is an equidigital number, since it uses as much as digits as its factorization.

155136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 106 counting only the distinct ones).

The product of its digits is 450, while the sum is 21.

The square root of 155136 is about 393.8730760029. The cubic root of 155136 is about 53.7325596924.

Adding to 155136 its reverse (631551), we get a palindrome (786687).

It can be divided in two parts, 15 and 5136, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 155136 in words is "one hundred fifty-five thousand, one hundred thirty-six".