136398 has 16 divisors (see below), whose sum is σ = 276480. Its totient is φ = 44856.

The previous prime is 136397. The next prime is 136399. The reversal of 136398 is 893631.

It is an interprime number because it is at equal distance from previous prime (136397) and next prime (136399).

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 136398.

It is not an unprimeable number, because it can be changed into a prime (136393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2¹³⁶³⁹⁸ is an apocalyptic number.

136398 is an abundant number, since it is smaller than the sum of its proper divisors (140082).

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

136398 is a wasteful number, since it uses less digits than its factorization.

136398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its digits is 3888, while the sum is 30.

The square root of 136398 is about 369.3209985907. The cubic root of 136398 is about 51.4757481566.

The spelling of 136398 in words is "one hundred thirty-six thousand, three hundred ninety-eight".