134720355 has 96 divisors (see below), whose sum is σ = 288264960. Its totient is φ = 52980480.

The previous prime is 134720351. The next prime is 134720357. The reversal of 134720355 is 553027431.

It is not a de Polignac number, because 134720355 - 2² = 134720351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134720351) 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 95 ways as a sum of consecutive naturals, for example, 153177 + ... + 154053.

It is an arithmetic number, because the mean of its divisors is an integer number (3002760).

Almost surely, 2^134720355 is an apocalyptic number.

134720355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134720355 is an abundant number, since it is smaller than the sum of its proper divisors (153544605).

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

134720355 is a wasteful number, since it uses less digits than its factorization.

134720355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 134720355 is about 11606.9097954624. The cubic root of 134720355 is about 512.6383271268.

Adding to 134720355 its reverse (553027431), we get a palindrome (687747786).

The spelling of 134720355 in words is "one hundred thirty-four million, seven hundred twenty thousand, three hundred fifty-five".