134603440 has 20 divisors (see below), whose sum is σ = 312953184. Its totient is φ = 53841344.

The previous prime is 134603437. The next prime is 134603449. The reversal of 134603440 is 44306431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (134603449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841192 + ... + 841351.

Almost surely, 2^134603440 is an apocalyptic number.

134603440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134603440 is an abundant number, since it is smaller than the sum of its proper divisors (178349744).

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

134603440 is a wasteful number, since it uses less digits than its factorization.

134603440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682556 (or 1682550 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 134603440 is about 11601.8722626997. The cubic root of 134603440 is about 512.4899890965.

Adding to 134603440 its reverse (44306431), we get a palindrome (178909871).

It can be divided in two parts, 13460 and 3440, that added together give a square (16900 = 130²).

The spelling of 134603440 in words is "one hundred thirty-four million, six hundred three thousand, four hundred forty".