134871720 has 32 divisors (see below), whose sum is σ = 404615520. Its totient is φ = 35965760.

The previous prime is 134871719. The next prime is 134871739. The reversal of 134871720 is 27178431.

It is a happy 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, 561846 + ... + 562085.

It is an arithmetic number, because the mean of its divisors is an integer number (12644235).

Almost surely, 2^134871720 is an apocalyptic number.

134871720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134871720 is an abundant number, since it is smaller than the sum of its proper divisors (269743800).

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

134871720 is a wasteful number, since it uses less digits than its factorization.

134871720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123945 (or 1123941 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 134871720 is about 11613.4284343599. The cubic root of 134871720 is about 512.8302467956.

The spelling of 134871720 in words is "one hundred thirty-four million, eight hundred seventy-one thousand, seven hundred twenty".