34120156 has 48 divisors (see below), whose sum is σ = 73979136. Its totient is φ = 13434624.

The previous prime is 34120147. The next prime is 34120157. The reversal of 34120156 is 65102143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34120157) 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, 19635 + ... + 21301.

It is an arithmetic number, because the mean of its divisors is an integer number (1541232).

Almost surely, 2^34120156 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 34120156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36989568).

34120156 is an abundant number, since it is smaller than the sum of its proper divisors (39858980).

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

34120156 is a wasteful number, since it uses less digits than its factorization.

34120156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 34120156 is about 5841.2460999345. The cubic root of 34120156 is about 324.3423577227.

Adding to 34120156 its reverse (65102143), we get a palindrome (99222299).

The spelling of 34120156 in words is "thirty-four million, one hundred twenty thousand, one hundred fifty-six".