34145136 has 60 divisors (see below), whose sum is σ = 98654400. Its totient is φ = 11013120.

The previous prime is 34145131. The next prime is 34145207. The reversal of 34145136 is 63154143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34145131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640 + ... + 8288.

It is an arithmetic number, because the mean of its divisors is an integer number (1644240).

Almost surely, 2^34145136 is an apocalyptic number.

34145136 is a gapful number since it is divisible by the number (36) 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 34145136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49327200).

34145136 is an abundant number, since it is smaller than the sum of its proper divisors (64509264).

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

34145136 is a wasteful number, since it uses less digits than its factorization.

34145136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694 (or 7685 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 34145136 is about 5843.3839511023. The cubic root of 34145136 is about 324.4214907692.

Adding to 34145136 its reverse (63154143), we get a palindrome (97299279).

The spelling of 34145136 in words is "thirty-four million, one hundred forty-five thousand, one hundred thirty-six".