134432540 has 24 divisors (see below), whose sum is σ = 307973232. Its totient is φ = 48884480.

The previous prime is 134432521. The next prime is 134432569. The reversal of 134432540 is 45234431.

It is a congruent 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, 305309 + ... + 305748.

It is an arithmetic number, because the mean of its divisors is an integer number (12832218).

Almost surely, 2^134432540 is an apocalyptic number.

134432540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134432540 is an abundant number, since it is smaller than the sum of its proper divisors (173540692).

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

134432540 is a wasteful number, since it uses less digits than its factorization.

134432540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611077 (or 611075 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 134432540 is about 11594.5047328465. The cubic root of 134432540 is about 512.2730019906.

Adding to 134432540 its reverse (45234431), we get a palindrome (179666971).

The spelling of 134432540 in words is "one hundred thirty-four million, four hundred thirty-two thousand, five hundred forty".