134544465 has 24 divisors (see below), whose sum is σ = 254412288. Its totient is φ = 65233440.

The previous prime is 134544461. The next prime is 134544517. The reversal of 134544465 is 564445431.

It is not a de Polignac number, because 134544465 - 2² = 134544461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134544461) 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 23 ways as a sum of consecutive naturals, for example, 135409 + ... + 136398.

It is an arithmetic number, because the mean of its divisors is an integer number (10600512).

Almost surely, 2^134544465 is an apocalyptic number.

134544465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134544465 is a deficient number, since it is larger than the sum of its proper divisors (119867823).

134544465 is a wasteful number, since it uses less digits than its factorization.

134544465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271829 (or 271826 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 134544465 is about 11599.3303686032. The cubic root of 134544465 is about 512.4151309000.

Adding to 134544465 its reverse (564445431), we get a palindrome (698989896).

The spelling of 134544465 in words is "one hundred thirty-four million, five hundred forty-four thousand, four hundred sixty-five".