134919920 has 40 divisors (see below), whose sum is σ = 314179296. Its totient is φ = 53883648.

The previous prime is 134919907. The next prime is 134919923. The reversal of 134919920 is 29919431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134919923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86669 + ... + 88211.

Almost surely, 2^134919920 is an apocalyptic number.

134919920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134919920 is an abundant number, since it is smaller than the sum of its proper divisors (179259376).

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

134919920 is a wasteful number, since it uses less digits than its factorization.

134919920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 134919920 is about 11615.5034329124. The cubic root of 134919920 is about 512.8913307003.

The spelling of 134919920 in words is "one hundred thirty-four million, nine hundred nineteen thousand, nine hundred twenty".