134431265 has 8 divisors (see below), whose sum is σ = 162083328. Its totient is φ = 107034480.

The previous prime is 134431261. The next prime is 134431273. The reversal of 134431265 is 562134431.

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

It is not a de Polignac number, because 134431265 - 2² = 134431261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134431261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62657 + ... + 64766.

It is an arithmetic number, because the mean of its divisors is an integer number (20260416).

Almost surely, 2^134431265 is an apocalyptic number.

It is an amenable number.

134431265 is a deficient number, since it is larger than the sum of its proper divisors (27652063).

134431265 is a wasteful number, since it uses less digits than its factorization.

134431265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127639.

The product of its digits is 8640, while the sum is 29.

The square root of 134431265 is about 11594.4497497725. The cubic root of 134431265 is about 512.2713824666.

Adding to 134431265 its reverse (562134431), we get a palindrome (696565696).

The spelling of 134431265 in words is "one hundred thirty-four million, four hundred thirty-one thousand, two hundred sixty-five".