136998 has 32 divisors (see below), whose sum is σ = 316800. Its totient is φ = 43848.

The previous prime is 136993. The next prime is 136999. The reversal of 136998 is 899631.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (9900).

2¹³⁶⁹⁹⁸ is an apocalyptic number.

136998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158400).

136998 is an abundant number, since it is smaller than the sum of its proper divisors (179802).

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

136998 is a wasteful number, since it uses less digits than its factorization.

136998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 107 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 136998 is about 370.1324087404. The cubic root of 136998 is about 51.5511164953.

The spelling of 136998 in words is "one hundred thirty-six thousand, nine hundred ninety-eight".