136357 has 8 divisors (see below), whose sum is σ = 155736. Its totient is φ = 118272.

The previous prime is 136351. The next prime is 136361. The reversal of 136357 is 753631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 136161 = 14^2 + 369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136357 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88 + ... + 529.

It is an arithmetic number, because the mean of its divisors is an integer number (19467).

2¹³⁶³⁵⁷ is an apocalyptic number.

136357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

136357 is a deficient number, since it is larger than the sum of its proper divisors (19379).

136357 is a wasteful number, since it uses less digits than its factorization.

136357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 1890, while the sum is 25.

The square root of 136357 is about 369.2654871498. The cubic root of 136357 is about 51.4705899256.

Adding to 136357 its reverse (753631), we get a palindrome (889988).

The spelling of 136357 in words is "one hundred thirty-six thousand, three hundred fifty-seven".