134451332431 has 8 divisors (see below), whose sum is σ = 148325297904. Its totient is φ = 121081874880.

The previous prime is 134451332417. The next prime is 134451332441. The reversal of 134451332431 is 134233154431.

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 134451332431 - 2⁵ = 134451332399 is a prime.

It is a super-3 number, since 3×134451332431³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134451332441) 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, 126126421 + ... + 126127486.

It is an arithmetic number, because the mean of its divisors is an integer number (18540662238).

Almost surely, 2^134451332431 is an apocalyptic number.

134451332431 is a deficient number, since it is larger than the sum of its proper divisors (13873965473).

134451332431 is a wasteful number, since it uses less digits than its factorization.

134451332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252253961.

The product of its digits is 51840, while the sum is 34.

Adding to 134451332431 its reverse (134233154431), we get a palindrome (268684486862).

The spelling of 134451332431 in words is "one hundred thirty-four billion, four hundred fifty-one million, three hundred thirty-two thousand, four hundred thirty-one".