134393340 has 24 divisors (see below), whose sum is σ = 376301520. Its totient is φ = 35838208.

The previous prime is 134393321. The next prime is 134393341. The reversal of 134393340 is 43393431.

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 = 134393298 and 134393307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134393341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119885 + ... + 1120004.

It is an arithmetic number, because the mean of its divisors is an integer number (15679230).

Almost surely, 2^134393340 is an apocalyptic number.

134393340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134393340 is an abundant number, since it is smaller than the sum of its proper divisors (241908180).

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

134393340 is a wasteful number, since it uses less digits than its factorization.

134393340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239901 (or 2239899 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 134393340 is about 11592.8141536039. The cubic root of 134393340 is about 512.2232048858.

Subtracting from 134393340 its reverse (43393431), we obtain a palindrome (90999909).

The spelling of 134393340 in words is "one hundred thirty-four million, three hundred ninety-three thousand, three hundred forty".