134005872 has 160 divisors (see below), whose sum is σ = 464970240. Its totient is φ = 32117760.

The previous prime is 134005871. The next prime is 134005873. The reversal of 134005872 is 278500431.

It is an interprime number because it is at equal distance from previous prime (134005871) and next prime (134005873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134005871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46654 + ... + 49442.

It is an arithmetic number, because the mean of its divisors is an integer number (2906064).

Almost surely, 2^134005872 is an apocalyptic number.

134005872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134005872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232485120).

134005872 is an abundant number, since it is smaller than the sum of its proper divisors (330964368).

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

134005872 is a wasteful number, since it uses less digits than its factorization.

134005872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2825 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 134005872 is about 11576.0905317814. The cubic root of 134005872 is about 511.7304693020.

The spelling of 134005872 in words is "one hundred thirty-four million, five thousand, eight hundred seventy-two".