30013140 has 48 divisors (see below), whose sum is σ = 85998528. Its totient is φ = 7816704.

The previous prime is 30013133. The next prime is 30013153. The reversal of 30013140 is 4131003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3237 + ... + 8396.

It is an arithmetic number, because the mean of its divisors is an integer number (1791636).

Almost surely, 2^30013140 is an apocalyptic number.

30013140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30013140 is an abundant number, since it is smaller than the sum of its proper divisors (55985388).

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

30013140 is a wasteful number, since it uses less digits than its factorization.

30013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11688 (or 11686 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30013140 is about 5478.4249561347. The cubic root of 30013140 is about 310.7686095682.

Adding to 30013140 its reverse (4131003), we get a palindrome (34144143).

The spelling of 30013140 in words is "thirty million, thirteen thousand, one hundred forty".