134247920 has 40 divisors (see below), whose sum is σ = 328557840. Its totient is φ = 50872320.

The previous prime is 134247917. The next prime is 134247937. The reversal of 134247920 is 29742431.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42641 + ... + 45680.

It is an arithmetic number, because the mean of its divisors is an integer number (8213946).

Almost surely, 2^134247920 is an apocalyptic number.

134247920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134247920 is an abundant number, since it is smaller than the sum of its proper divisors (194309920).

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

134247920 is a wasteful number, since it uses less digits than its factorization.

134247920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88353 (or 88347 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 134247920 is about 11586.5404672836. The cubic root of 134247920 is about 512.0383882350.

The spelling of 134247920 in words is "one hundred thirty-four million, two hundred forty-seven thousand, nine hundred twenty".