61134020 has 24 divisors (see below), whose sum is σ = 135139200. Its totient is φ = 23166432.

The previous prime is 61134019. The next prime is 61134037. The reversal of 61134020 is 2043116.

It is a self number, because there is not a number n which added to its sum of digits gives 61134020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80060 + ... + 80819.

It is an arithmetic number, because the mean of its divisors is an integer number (5630800).

Almost surely, 2^61134020 is an apocalyptic number.

It is an amenable number.

61134020 is an abundant number, since it is smaller than the sum of its proper divisors (74005180).

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

61134020 is a wasteful number, since it uses less digits than its factorization.

61134020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160907 (or 160905 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 61134020 is about 7818.8247198668. The cubic root of 61134020 is about 393.9377967026.

Adding to 61134020 its reverse (2043116), we get a palindrome (63177136).

The spelling of 61134020 in words is "sixty-one million, one hundred thirty-four thousand, twenty".