135536263531 has 8 divisors (see below), whose sum is σ = 136801108400. Its totient is φ = 134271807840.

The previous prime is 135536263517. The next prime is 135536263549. The reversal of 135536263531 is 135362635531.

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 135536263531 - 2⁷ = 135536263403 is a prime.

It is a super-2 number, since 2×135536263531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135536263501) 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, 627541 + ... + 815401.

It is an arithmetic number, because the mean of its divisors is an integer number (17100138550).

Almost surely, 2^135536263531 is an apocalyptic number.

135536263531 is a deficient number, since it is larger than the sum of its proper divisors (1264844869).

135536263531 is a wasteful number, since it uses less digits than its factorization.

135536263531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194589.

The product of its digits is 729000, while the sum is 43.

The spelling of 135536263531 in words is "one hundred thirty-five billion, five hundred thirty-six million, two hundred sixty-three thousand, five hundred thirty-one".