134540352 has 168 divisors, whose sum is σ = 411614112. Its totient is φ = 43545600.

The previous prime is 134540347. The next prime is 134540353. The reversal of 134540352 is 253045431.

It is a super-2 number, since 2×134540352² = 36202212632567808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (134540353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637527 + ... + 637737.

It is an arithmetic number, because the mean of its divisors is an integer number (2450084).

Almost surely, 2^134540352 is an apocalyptic number.

134540352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134540352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205807056).

134540352 is an abundant number, since it is smaller than the sum of its proper divisors (277073760).

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

134540352 is an equidigital number, since it uses as much as digits as its factorization.

134540352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 134540352 is about 11599.1530725308. The cubic root of 134540352 is about 512.4099093675.

Adding to 134540352 its reverse (253045431), we get a palindrome (387585783).

The spelling of 134540352 in words is "one hundred thirty-four million, five hundred forty thousand, three hundred fifty-two".