135823087 has 8 divisors (see below), whose sum is σ = 136659600. Its totient is φ = 134989824.

The previous prime is 135823067. The next prime is 135823117. The reversal of 135823087 is 780328531.

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 135823087 - 2¹⁹ = 135298799 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 (135823067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176239 + ... + 177007.

It is an arithmetic number, because the mean of its divisors is an integer number (17082450).

Almost surely, 2^135823087 is an apocalyptic number.

135823087 is a deficient number, since it is larger than the sum of its proper divisors (836513).

135823087 is an equidigital number, since it uses as much as digits as its factorization.

135823087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 135823087 is about 11654.3162390592. The cubic root of 135823087 is about 514.0332345390.

The spelling of 135823087 in words is "one hundred thirty-five million, eight hundred twenty-three thousand, eighty-seven".