134820507 has 16 divisors (see below), whose sum is σ = 186416640. Its totient is φ = 86567712.

The previous prime is 134820481. The next prime is 134820571. The reversal of 134820507 is 705028431.

It is not a de Polignac number, because 134820507 - 2⁶ = 134820443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134820307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38608 + ... + 41954.

It is an arithmetic number, because the mean of its divisors is an integer number (11651040).

Almost surely, 2^134820507 is an apocalyptic number.

134820507 is a deficient number, since it is larger than the sum of its proper divisors (51596133).

134820507 is a wasteful number, since it uses less digits than its factorization.

134820507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 134820507 is about 11611.2233205636. The cubic root of 134820507 is about 512.7653285647.

Adding to 134820507 its reverse (705028431), we get a palindrome (839848938).

The spelling of 134820507 in words is "one hundred thirty-four million, eight hundred twenty thousand, five hundred seven".