210134040 has 32 divisors (see below), whose sum is σ = 630402480. Its totient is φ = 56035712.

The previous prime is 210134021. The next prime is 210134047. The reversal of 210134040 is 40431012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210134047) 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, 875439 + ... + 875678.

Almost surely, 2^210134040 is an apocalyptic number.

210134040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210134040 is an abundant number, since it is smaller than the sum of its proper divisors (420268440).

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

210134040 is a wasteful number, since it uses less digits than its factorization.

210134040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751131 (or 1751127 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 210134040 is about 14496.0008278145. Note that the first 3 decimals coincide. The cubic root of 210134040 is about 594.5186323948.

Adding to 210134040 its reverse (40431012), we get a palindrome (250565052).

The spelling of 210134040 in words is "two hundred ten million, one hundred thirty-four thousand, forty".