133534065 has 48 divisors (see below), whose sum is σ = 263181312. Its totient is φ = 57447936.

The previous prime is 133534061. The next prime is 133534069. The reversal of 133534065 is 560435331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133534061) and next prime (133534069).

It is not a de Polignac number, because 133534065 - 2² = 133534061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133534061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7152 + ... + 17838.

It is an arithmetic number, because the mean of its divisors is an integer number (5482944).

Almost surely, 2^133534065 is an apocalyptic number.

133534065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133534065 is a deficient number, since it is larger than the sum of its proper divisors (129647247).

133534065 is a wasteful number, since it uses less digits than its factorization.

133534065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726 (or 10719 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 133534065 is about 11555.6940509863. The cubic root of 133534065 is about 511.1291973314.

Adding to 133534065 its reverse (560435331), we get a palindrome (693969396).

The spelling of 133534065 in words is "one hundred thirty-three million, five hundred thirty-four thousand, sixty-five".