135802097 has 4 divisors (see below), whose sum is σ = 141706560. Its totient is φ = 129897636.

The previous prime is 135802091. The next prime is 135802133. The reversal of 135802097 is 790208531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135802097 - 2⁴ = 135802081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135802091) 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 3 ways as a sum of consecutive naturals, for example, 2952197 + ... + 2952242.

It is an arithmetic number, because the mean of its divisors is an integer number (35426640).

Almost surely, 2^135802097 is an apocalyptic number.

It is an amenable number.

135802097 is a deficient number, since it is larger than the sum of its proper divisors (5904463).

135802097 is an equidigital number, since it uses as much as digits as its factorization.

135802097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904462.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 135802097 is about 11653.4156795336. The cubic root of 135802097 is about 514.0067537354.

The spelling of 135802097 in words is "one hundred thirty-five million, eight hundred two thousand, ninety-seven".