135134352 has 80 divisors (see below), whose sum is σ = 391780480. Its totient is φ = 44592768.

The previous prime is 135134347. The next prime is 135134357. The reversal of 135134352 is 253431531.

It is an interprime number because it is at equal distance from previous prime (135134347) and next prime (135134357).

It is a super-2 number, since 2×135134352² = 36522586180919808, 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 (135134357) 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, 42978 + ... + 46014.

It is an arithmetic number, because the mean of its divisors is an integer number (4897256).

Almost surely, 2^135134352 is an apocalyptic number.

135134352 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 135134352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195890240).

135134352 is an abundant number, since it is smaller than the sum of its proper divisors (256646128).

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

135134352 is a wasteful number, since it uses less digits than its factorization.

135134352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157 (or 3145 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 135134352 is about 11624.7301904173. The cubic root of 135134352 is about 513.1629043871.

Adding to 135134352 its reverse (253431531), we get a palindrome (388565883).

The spelling of 135134352 in words is "one hundred thirty-five million, one hundred thirty-four thousand, three hundred fifty-two".