135134343040 has 64 divisors (see below), whose sum is σ = 323182989360. Its totient is φ = 54032412672.

The previous prime is 135134343011. The next prime is 135134343041. The reversal of 135134343040 is 40343431531.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×135134343040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135134342993 and 135134343011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135134343041) 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, 1634539 + ... + 1715221.

Almost surely, 2^135134343040 is an apocalyptic number.

135134343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135134343040 is an abundant number, since it is smaller than the sum of its proper divisors (188048646320).

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

135134343040 is an equidigital number, since it uses as much as digits as its factorization.

135134343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83319 (or 83307 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 135134343040 its reverse (40343431531), we get a palindrome (175477774571).

The spelling of 135134343040 in words is "one hundred thirty-five billion, one hundred thirty-four million, three hundred forty-three thousand, forty".