61871134 has 8 divisors (see below), whose sum is σ = 99945720. Its totient is φ = 28555896.

The previous prime is 61871119. The next prime is 61871167. The reversal of 61871134 is 43117816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61871096 and 61871105.

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 3 ways as a sum of consecutive naturals, for example, 1189804 + ... + 1189855.

It is an arithmetic number, because the mean of its divisors is an integer number (12493215).

Almost surely, 2^61871134 is an apocalyptic number.

61871134 is a deficient number, since it is larger than the sum of its proper divisors (38074586).

61871134 is a wasteful number, since it uses less digits than its factorization.

61871134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379674.

The product of its digits is 4032, while the sum is 31.

The square root of 61871134 is about 7865.8206183462. The cubic root of 61871134 is about 395.5147569696.

The spelling of 61871134 in words is "sixty-one million, eight hundred seventy-one thousand, one hundred thirty-four".