134669040 has 160 divisors (see below), whose sum is σ = 471398400. Its totient is φ = 31503360.

The previous prime is 134669027. The next prime is 134669047. The reversal of 134669040 is 40966431.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 134668992 and 134669010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134669047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75681 + ... + 77439.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 2^134669040 is an apocalyptic number.

134669040 is a gapful number since it is divisible by the number (10) 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 134669040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235699200).

134669040 is an abundant number, since it is smaller than the sum of its proper divisors (336729360).

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

134669040 is a wasteful number, since it uses less digits than its factorization.

134669040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 134669040 is about 11604.6990482304. The cubic root of 134669040 is about 512.5732308602.

The spelling of 134669040 in words is "one hundred thirty-four million, six hundred sixty-nine thousand, forty".