61216134 has 32 divisors (see below), whose sum is σ = 144439296. Its totient is φ = 16925760.

The previous prime is 61216063. The next prime is 61216153. The reversal of 61216134 is 43161216.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22207 + ... + 24810.

It is an arithmetic number, because the mean of its divisors is an integer number (4513728).

Almost surely, 2^61216134 is an apocalyptic number.

61216134 is an abundant number, since it is smaller than the sum of its proper divisors (83223162).

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

61216134 is a wasteful number, since it uses less digits than its factorization.

61216134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47060.

The product of its digits is 864, while the sum is 24.

The square root of 61216134 is about 7824.0740027175. The cubic root of 61216134 is about 394.1140942647.

The spelling of 61216134 in words is "sixty-one million, two hundred sixteen thousand, one hundred thirty-four".