451135232135 has 16 divisors (see below), whose sum is σ = 640034222400. Its totient is φ = 298682635776.

The previous prime is 451135232117. The next prime is 451135232143. The reversal of 451135232135 is 531232531154.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-451135232135 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 451135232095 and 451135232104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222233090 + ... + 222235119.

It is an arithmetic number, because the mean of its divisors is an integer number (40002138900).

Almost surely, 2^451135232135 is an apocalyptic number.

451135232135 is a deficient number, since it is larger than the sum of its proper divisors (188898990265).

451135232135 is a wasteful number, since it uses less digits than its factorization.

451135232135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444468250.

The product of its digits is 54000, while the sum is 35.

Adding to 451135232135 its reverse (531232531154), we get a palindrome (982367763289).

The spelling of 451135232135 in words is "four hundred fifty-one billion, one hundred thirty-five million, two hundred thirty-two thousand, one hundred thirty-five".