134809950 has 48 divisors (see below), whose sum is σ = 364726656. Its totient is φ = 32680800.

The previous prime is 134809919. The next prime is 134809957. The reversal of 134809950 is 59908431.

It is a junction number, because it is equal to n+sod(n) for n = 134809899 and 134809908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134809957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39202 + ... + 42501.

It is an arithmetic number, because the mean of its divisors is an integer number (7598472).

Almost surely, 2^134809950 is an apocalyptic number.

134809950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134809950 is an abundant number, since it is smaller than the sum of its proper divisors (229916706).

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

134809950 is a wasteful number, since it uses less digits than its factorization.

134809950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81729 (or 81724 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 134809950 is about 11610.7687084017. The cubic root of 134809950 is about 512.7519443376.

The spelling of 134809950 in words is "one hundred thirty-four million, eight hundred nine thousand, nine hundred fifty".