135232100653 has 4 divisors (see below), whose sum is σ = 145634569948. Its totient is φ = 124829631360.

The previous prime is 135232100651. The next prime is 135232100683. The reversal of 135232100653 is 356001232531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50074355529 + 85157745124 = 223773^2 + 291818^2 .

It is a cyclic number.

It is not a de Polignac number, because 135232100653 - 2¹ = 135232100651 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 (135232100651) 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, 5201234628 + ... + 5201234653.

It is an arithmetic number, because the mean of its divisors is an integer number (36408642487).

Almost surely, 2^135232100653 is an apocalyptic number.

135232100653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135232100653 is a deficient number, since it is larger than the sum of its proper divisors (10402469295).

135232100653 is a wasteful number, since it uses less digits than its factorization.

135232100653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402469294.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 135232100653 in words is "one hundred thirty-five billion, two hundred thirty-two million, one hundred thousand, six hundred fifty-three".