34540140 has 24 divisors (see below), whose sum is σ = 96712560. Its totient is φ = 9210688.

The previous prime is 34540139. The next prime is 34540147. The reversal of 34540140 is 4104543.

It is not an unprimeable number, because it can be changed into a prime (34540147) 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 7 ways as a sum of consecutive naturals, for example, 287775 + ... + 287894.

It is an arithmetic number, because the mean of its divisors is an integer number (4029690).

Almost surely, 2^34540140 is an apocalyptic number.

34540140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34540140 is an abundant number, since it is smaller than the sum of its proper divisors (62172420).

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

34540140 is a wasteful number, since it uses less digits than its factorization.

34540140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575681 (or 575679 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 34540140 is about 5877.0860126427. The cubic root of 34540140 is about 325.6677081310.

Adding to 34540140 its reverse (4104543), we get a palindrome (38644683).

The spelling of 34540140 in words is "thirty-four million, five hundred forty thousand, one hundred forty".