136347398 has 12 divisors (see below), whose sum is σ = 224804580. Its totient is φ = 61975980.

The previous prime is 136347391. The next prime is 136347457. The reversal of 136347398 is 893743631.

It is a super-2 number, since 2×136347398² = 37181225882740808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136347391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281468 + ... + 281951.

It is an arithmetic number, because the mean of its divisors is an integer number (18733715).

Almost surely, 2^136347398 is an apocalyptic number.

136347398 is a deficient number, since it is larger than the sum of its proper divisors (88457182).

136347398 is a wasteful number, since it uses less digits than its factorization.

136347398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563443 (or 563432 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 136347398 is about 11676.7888565307. The cubic root of 136347398 is about 514.6938174360.

The spelling of 136347398 in words is "one hundred thirty-six million, three hundred forty-seven thousand, three hundred ninety-eight".