34600140 has 144 divisors (see below), whose sum is σ = 112869120. Its totient is φ = 8553600.

The previous prime is 34600109. The next prime is 34600147. The reversal of 34600140 is 4100643.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34600147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229065 + ... + 229215.

Almost surely, 2^34600140 is an apocalyptic number.

34600140 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 34600140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56434560).

34600140 is an abundant number, since it is smaller than the sum of its proper divisors (78268980).

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

34600140 is a wasteful number, since it uses less digits than its factorization.

34600140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 34600140 is about 5882.1883682861. The cubic root of 34600140 is about 325.8561725185.

Adding to 34600140 its reverse (4100643), we get a palindrome (38700783).

The spelling of 34600140 in words is "thirty-four million, six hundred thousand, one hundred forty".