34142520 has 32 divisors (see below), whose sum is σ = 102427920. Its totient is φ = 9104640.

The previous prime is 34142503. The next prime is 34142531. The reversal of 34142520 is 2524143.

It is a congruent number.

It is an unprimeable number.

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, 142141 + ... + 142380.

Almost surely, 2^34142520 is an apocalyptic number.

34142520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34142520 is an abundant number, since it is smaller than the sum of its proper divisors (68285400).

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

34142520 is a wasteful number, since it uses less digits than its factorization.

34142520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284535 (or 284531 counting only the distinct ones).

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

The square root of 34142520 is about 5843.1601039164. The cubic root of 34142520 is about 324.4132054672.

Adding to 34142520 its reverse (2524143), we get a palindrome (36666663).

The spelling of 34142520 in words is "thirty-four million, one hundred forty-two thousand, five hundred twenty".