135512365623 has 8 divisors (see below), whose sum is σ = 186511643136. Its totient is φ = 87427332600.

The previous prime is 135512365603. The next prime is 135512365631. The reversal of 135512365623 is 326563215531.

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

It is not a de Polignac number, because 135512365623 - 2⁶ = 135512365559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135512365603) 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, 728561013 + ... + 728561198.

It is an arithmetic number, because the mean of its divisors is an integer number (23313955392).

Almost surely, 2^135512365623 is an apocalyptic number.

135512365623 is a deficient number, since it is larger than the sum of its proper divisors (50999277513).

135512365623 is a wasteful number, since it uses less digits than its factorization.

135512365623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457122245.

The product of its digits is 486000, while the sum is 42.

The spelling of 135512365623 in words is "one hundred thirty-five billion, five hundred twelve million, three hundred sixty-five thousand, six hundred twenty-three".