136834398 has 24 divisors (see below), whose sum is σ = 297063936. Its totient is φ = 45520800.

The previous prime is 136834391. The next prime is 136834457. The reversal of 136834398 is 893438631.

136834398 is a `hidden beast` number, since 136 + 83 + 439 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136834391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2083 + ... + 16673.

It is an arithmetic number, because the mean of its divisors is an integer number (12377664).

Almost surely, 2^136834398 is an apocalyptic number.

136834398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136834398 is an abundant number, since it is smaller than the sum of its proper divisors (160229538).

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

136834398 is a wasteful number, since it uses less digits than its factorization.

136834398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15120 (or 15117 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 136834398 is about 11697.6236048182. The cubic root of 136834398 is about 515.3058766712.

It can be divided in two parts, 13683 and 4398, that added together give a palindrome (18081).

The spelling of 136834398 in words is "one hundred thirty-six million, eight hundred thirty-four thousand, three hundred ninety-eight".