34140030 has 32 divisors (see below), whose sum is σ = 82266624. Its totient is φ = 9067296.

The previous prime is 34140019. The next prime is 34140031. The reversal of 34140030 is 3004143.

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

It is a junction number, because it is equal to n+sod(n) for n = 34139991 and 34140009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34140031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5727 + ... + 10053.

It is an arithmetic number, because the mean of its divisors is an integer number (2570832).

Almost surely, 2^34140030 is an apocalyptic number.

34140030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34140030 is an abundant number, since it is smaller than the sum of its proper divisors (48126594).

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

34140030 is a wasteful number, since it uses less digits than its factorization.

34140030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 34140030 is about 5842.9470303949. The cubic root of 34140030 is about 324.4053188347.

Adding to 34140030 its reverse (3004143), we get a palindrome (37144173).

The spelling of 34140030 in words is "thirty-four million, one hundred forty thousand, thirty".