134890752 has 144 divisors (see below), whose sum is σ = 380282112. Its totient is φ = 42393600.

The previous prime is 134890741. The next prime is 134890753. The reversal of 134890752 is 257098431.

It is a self number, because there is not a number n which added to its sum of digits gives 134890752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134890753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335502 + ... + 1335602.

It is an arithmetic number, because the mean of its divisors is an integer number (2640848).

Almost surely, 2^134890752 is an apocalyptic number.

134890752 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 134890752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190141056).

134890752 is an abundant number, since it is smaller than the sum of its proper divisors (245391360).

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

134890752 is a wasteful number, since it uses less digits than its factorization.

134890752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 134890752 is about 11614.2478017304. The cubic root of 134890752 is about 512.8543678053.

The spelling of 134890752 in words is "one hundred thirty-four million, eight hundred ninety thousand, seven hundred fifty-two".