134253405 has 96 divisors (see below), whose sum is σ = 282627072. Its totient is φ = 58060800.

The previous prime is 134253397. The next prime is 134253407. The reversal of 134253405 is 504352431.

134253405 is a `hidden beast` number, since 1 + 3 + 4 + 253 + 405 = 666.

It is not a de Polignac number, because 134253405 - 2³ = 134253397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134253407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 199149 + ... + 199821.

It is an arithmetic number, because the mean of its divisors is an integer number (2944032).

Almost surely, 2^134253405 is an apocalyptic number.

134253405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134253405 is an abundant number, since it is smaller than the sum of its proper divisors (148373667).

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

134253405 is a wasteful number, since it uses less digits than its factorization.

134253405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 134253405 is about 11586.7771619204. Note that the first 3 decimals coincide. The cubic root of 134253405 is about 512.0453616324.

The spelling of 134253405 in words is "one hundred thirty-four million, two hundred fifty-three thousand, four hundred five".