30240135 has 24 divisors (see below), whose sum is σ = 54359760. Its totient is φ = 16127424.

The previous prime is 30240131. The next prime is 30240139. The reversal of 30240135 is 53104203.

It is an interprime number because it is at equal distance from previous prime (30240131) and next prime (30240139).

It is not a de Polignac number, because 30240135 - 2² = 30240131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11230 + ... + 13659.

It is an arithmetic number, because the mean of its divisors is an integer number (2264990).

Almost surely, 2^30240135 is an apocalyptic number.

30240135 is a deficient number, since it is larger than the sum of its proper divisors (24119625).

30240135 is an equidigital number, since it uses as much as digits as its factorization.

30240135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24909 (or 24897 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30240135 is about 5499.1031086896. The cubic root of 30240135 is about 311.5501097259.

Adding to 30240135 its reverse (53104203), we get a palindrome (83344338).

The spelling of 30240135 in words is "thirty million, two hundred forty thousand, one hundred thirty-five".