134909432 has 32 divisors (see below), whose sum is σ = 289720800. Its totient is φ = 57692544.

The previous prime is 134909431. The next prime is 134909441. The reversal of 134909432 is 234909431.

It is a junction number, because it is equal to n+sod(n) for n = 134909392 and 134909401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134909431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26138 + ... + 30870.

It is an arithmetic number, because the mean of its divisors is an integer number (9053775).

Almost surely, 2^134909432 is an apocalyptic number.

It is an amenable number.

134909432 is an abundant number, since it is smaller than the sum of its proper divisors (154811368).

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

134909432 is a wasteful number, since it uses less digits than its factorization.

134909432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 134909432 is about 11615.0519585579. The cubic root of 134909432 is about 512.8780404867.

Subtracting 134909432 from its reverse (234909431), we obtain a palindrome (99999999).

It can be divided in two parts, 13490 and 9432, that added together give a palindrome (22922).

The spelling of 134909432 in words is "one hundred thirty-four million, nine hundred nine thousand, four hundred thirty-two".