34000140 has 48 divisors (see below), whose sum is σ = 95639040. Its totient is φ = 9024960.

The previous prime is 34000123. The next prime is 34000147. The reversal of 34000140 is 4100043.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (34000147) 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, 13155 + ... + 15525.

It is an arithmetic number, because the mean of its divisors is an integer number (1992480).

Almost surely, 2^34000140 is an apocalyptic number.

34000140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34000140 is an abundant number, since it is smaller than the sum of its proper divisors (61638900).

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

34000140 is a wasteful number, since it uses less digits than its factorization.

34000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 34000140 is about 5830.9638997339. The cubic root of 34000140 is about 323.9616247797.

Adding to 34000140 its reverse (4100043), we get a palindrome (38100183).

The spelling of 34000140 in words is "thirty-four million, one hundred forty", and thus it is an aban number.