134640264 has 64 divisors (see below), whose sum is σ = 369008640. Its totient is φ = 40599360.

The previous prime is 134640263. The next prime is 134640271. The reversal of 134640264 is 462046431.

It is not an unprimeable number, because it can be changed into a prime (134640263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57729 + ... + 60015.

It is an arithmetic number, because the mean of its divisors is an integer number (5765760).

Almost surely, 2^134640264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134640264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184504320).

134640264 is an abundant number, since it is smaller than the sum of its proper divisors (234368376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134640264 is a wasteful number, since it uses less digits than its factorization.

134640264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 134640264 is about 11603.4591394118. The cubic root of 134640264 is about 512.5367194789.

Adding to 134640264 its reverse (462046431), we get a palindrome (596686695).

The spelling of 134640264 in words is "one hundred thirty-four million, six hundred forty thousand, two hundred sixty-four".