134431151 has 8 divisors (see below), whose sum is σ = 135780864. Its totient is φ = 133086240.

The previous prime is 134431127. The next prime is 134431181. The reversal of 134431151 is 151134431.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134431151 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 (134431111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82121 + ... + 83741.

It is an arithmetic number, because the mean of its divisors is an integer number (16972608).

Almost surely, 2^134431151 is an apocalyptic number.

134431151 is a deficient number, since it is larger than the sum of its proper divisors (1349713).

134431151 is a wasteful number, since it uses less digits than its factorization.

134431151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401.

The product of its digits is 720, while the sum is 23.

The square root of 134431151 is about 11594.4448336261. Note that the first 3 decimals coincide. The cubic root of 134431151 is about 512.2712376616.

Adding to 134431151 its reverse (151134431), we get a palindrome (285565582).

The spelling of 134431151 in words is "one hundred thirty-four million, four hundred thirty-one thousand, one hundred fifty-one".