135502397 has 8 divisors (see below), whose sum is σ = 139726944. Its totient is φ = 131339728.

The previous prime is 135502373. The next prime is 135502469. The reversal of 135502397 is 793205531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135502397 - 2⁸ = 135502141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135502337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11003 + ... + 19800.

It is an arithmetic number, because the mean of its divisors is an integer number (17465868).

Almost surely, 2^135502397 is an apocalyptic number.

It is an amenable number.

135502397 is a deficient number, since it is larger than the sum of its proper divisors (4224547).

135502397 is an equidigital number, since it uses as much as digits as its factorization.

135502397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30939.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 135502397 is about 11640.5496863335. The cubic root of 135502397 is about 513.6283568164.

The spelling of 135502397 in words is "one hundred thirty-five million, five hundred two thousand, three hundred ninety-seven".