10134640 has 20 divisors (see below), whose sum is σ = 23563224. Its totient is φ = 4053824.

The previous prime is 10134637. The next prime is 10134653. The reversal of 10134640 is 4643101.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63262 + ... + 63421.

Almost surely, 2^10134640 is an apocalyptic number.

10134640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10134640 is an abundant number, since it is smaller than the sum of its proper divisors (13428584).

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

10134640 is a wasteful number, since it uses less digits than its factorization.

10134640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126696 (or 126690 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 10134640 is about 3183.4949348161. The cubic root of 10134640 is about 216.4060719696.

Adding to 10134640 its reverse (4643101), we get a palindrome (14777741).

The spelling of 10134640 in words is "ten million, one hundred thirty-four thousand, six hundred forty".