34152140 has 96 divisors (see below), whose sum is σ = 83280960. Its totient is φ = 11648000.

The previous prime is 34152121. The next prime is 34152149. The reversal of 34152140 is 4125143.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (34152149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338090 + ... + 338190.

It is an arithmetic number, because the mean of its divisors is an integer number (867510).

Almost surely, 2^34152140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34152140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41640480).

34152140 is an abundant number, since it is smaller than the sum of its proper divisors (49128820).

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

34152140 is a wasteful number, since it uses less digits than its factorization.

34152140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 34152140 is about 5843.9832306399. The cubic root of 34152140 is about 324.4436715056.

Adding to 34152140 its reverse (4125143), we get a palindrome (38277283).

It can be divided in two parts, 3415 and 2140, that added together give a palindrome (5555).

The spelling of 34152140 in words is "thirty-four million, one hundred fifty-two thousand, one hundred forty".