61543134 has 12 divisors (see below), whose sum is σ = 133343496. Its totient is φ = 20514372.

The previous prime is 61543127. The next prime is 61543159. The reversal of 61543134 is 43134516.

61543134 is a `hidden beast` number, since 615 + 43 + 1 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61543098 and 61543107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1709514 + ... + 1709549.

It is an arithmetic number, because the mean of its divisors is an integer number (11111958).

Almost surely, 2^61543134 is an apocalyptic number.

61543134 is an abundant number, since it is smaller than the sum of its proper divisors (71800362).

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

61543134 is a wasteful number, since it uses less digits than its factorization.

61543134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419071 (or 3419068 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 61543134 is about 7844.9432120316. The cubic root of 61543134 is about 394.8145986724.

The spelling of 61543134 in words is "sixty-one million, five hundred forty-three thousand, one hundred thirty-four".