134640435 has 8 divisors (see below), whose sum is σ = 215424720. Its totient is φ = 71808224.

The previous prime is 134640427. The next prime is 134640497. The reversal of 134640435 is 534046431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134640435 - 2³ = 134640427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4488000 + ... + 4488029.

It is an arithmetic number, because the mean of its divisors is an integer number (26928090).

Almost surely, 2^134640435 is an apocalyptic number.

134640435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134640435 is a deficient number, since it is larger than the sum of its proper divisors (80784285).

134640435 is an equidigital number, since it uses as much as digits as its factorization.

134640435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976037.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 134640435 is about 11603.4665079019. The cubic root of 134640435 is about 512.5369364614.

Adding to 134640435 its reverse (534046431), we get a palindrome (668686866).

The spelling of 134640435 in words is "one hundred thirty-four million, six hundred forty thousand, four hundred thirty-five".