134555340 has 192 divisors, whose sum is σ = 431101440. Its totient is φ = 31150080.

The previous prime is 134555329. The next prime is 134555387. The reversal of 134555340 is 43555431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 134555298 and 134555307.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1027075 + ... + 1027205.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^134555340 is an apocalyptic number.

134555340 is a gapful number since it is divisible by the number (10) 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 134555340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215550720).

134555340 is an abundant number, since it is smaller than the sum of its proper divisors (296546100).

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

134555340 is a wasteful number, since it uses less digits than its factorization.

134555340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 134555340 is about 11599.7991361920. The cubic root of 134555340 is about 512.4289364089.

Subtracting from 134555340 its reverse (43555431), we obtain a palindrome (90999909).

The spelling of 134555340 in words is "one hundred thirty-four million, five hundred fifty-five thousand, three hundred forty".