30140002140 has 96 divisors (see below), whose sum is σ = 85290057216. Its totient is φ = 7951952640.

The previous prime is 30140002133. The next prime is 30140002147. The reversal of 30140002140 is 4120004103.

It is an interprime number because it is at equal distance from previous prime (30140002133) and next prime (30140002147).

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 (30140002147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11190634 + ... + 11193326.

It is an arithmetic number, because the mean of its divisors is an integer number (888438096).

Almost surely, 2^30140002140 is an apocalyptic number.

30140002140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30140002140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42645028608).

30140002140 is an abundant number, since it is smaller than the sum of its proper divisors (55150055076).

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

30140002140 is a wasteful number, since it uses less digits than its factorization.

30140002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619 (or 4617 counting only the distinct ones).

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

Adding to 30140002140 its reverse (4120004103), we get a palindrome (34260006243).

The spelling of 30140002140 in words is "thirty billion, one hundred forty million, two thousand, one hundred forty".