134280369 has 8 divisors (see below), whose sum is σ = 198933920. Its totient is φ = 89520228.

The previous prime is 134280347. The next prime is 134280389. The reversal of 134280369 is 963082431.

134280369 is a `hidden beast` number, since 13 + 4 + 280 + 369 = 666.

It is not a de Polignac number, because 134280369 - 2¹⁶ = 134214833 is a prime.

It is a super-2 number, since 2×134280369² = 36062434997552322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134280319) 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, 2486647 + ... + 2486700.

It is an arithmetic number, because the mean of its divisors is an integer number (24866740).

Almost surely, 2^134280369 is an apocalyptic number.

It is an amenable number.

134280369 is a deficient number, since it is larger than the sum of its proper divisors (64653551).

134280369 is an equidigital number, since it uses as much as digits as its factorization.

134280369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973356 (or 4973350 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 134280369 is about 11587.9406712323. The cubic root of 134280369 is about 512.0796397622.

The spelling of 134280369 in words is "one hundred thirty-four million, two hundred eighty thousand, three hundred sixty-nine".