135106632523 has 4 divisors (see below), whose sum is σ = 135108579928. Its totient is φ = 135104685120.

The previous prime is 135106632511. The next prime is 135106632547. The reversal of 135106632523 is 325236601531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135106632523 - 2¹⁷ = 135106501451 is a prime.

It is a super-2 number, since 2×135106632523² (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 (135106633523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865638 + ... + 1009723.

It is an arithmetic number, because the mean of its divisors is an integer number (33777144982).

Almost surely, 2^135106632523 is an apocalyptic number.

135106632523 is a deficient number, since it is larger than the sum of its proper divisors (1947405).

135106632523 is an equidigital number, since it uses as much as digits as its factorization.

135106632523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947404.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 135106632523 in words is "one hundred thirty-five billion, one hundred six million, six hundred thirty-two thousand, five hundred twenty-three".